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2013-12-16T19:54:33Z

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{{Infobox number
| number = 145
| divisor=1, 5, 29, 145
}}

'''145''' is the [[natural number]] following [[144 (number)|144]] and preceding [[146 (number)|146]].

== In mathematics ==
* Although composite, 145 is a [[pseudoprime]].
* Given 145, the [[Mertens function]] returns [[0 (number)|0]].
* 145 is a [[pentagonal number]] and a [[centered square number]].
* <math>145 = 12^2 + 1^2 = 8^2 + 9^2</math>. 145 is the fourth number that is the sum of two different pairs of [[square (algebra)|squares]]. Also, 145 is the result of 3<sup>4</sup> + 4<sup>3</sup>, making it a [[Leyland number]].
* <math>145 = 1! + 4! + 5!</math>, making it a [[factorion]]. The only other numbers that have the property that they are the sum of the [[factorial]]s of their digits are [[1 (number)|1]], [[2 (number)|2]] and 40585.

==In the military==
* [[USS Armada (AM-145)|USS ''Armada'' (AM-145)]] was a [[United States Navy]] Admirable minesweeper ship during World War II
* [[USS Colbert (APA-145)|USS ''Colbert'' (APA-145)]] was a [[United States Navy]] Haskell class [[attack transport]] during World War II
* [[USS General Harry Taylor (AP-145)|USS ''General Harry Taylor'' (AP-145)]] was a [[United States Navy]] General G. O. Squier transport ship during World War II
* [[USS Greer (DD-145)|USS ''Greer'' (DD-145)]] was a [[United States Navy]] [[Wickes class destroyer]] during World War II
* [[USS Huse (DE-145)|USS ''Huse'' (DE-145)]] was a [[United States Navy]] Edsall class [[destroyer]] during World War II
* [[USS Roanoke (CL-145)|USS ''Roanoke'' (CL-145)]] was a [[United States Navy]] cruiser following World War II

==In sports==
* The [[Grand Union Canal Race]] is a 145-mile [[ultramarathon]] from [[Birmingham]] to London along the [[Grand Union Canal]]
* [[Pro Football Hall of Fame|Football Hall of Famer]] [[Marcus Allen]] had 145 [[touchdowns]] in his [[NFL]] career
* [[Ted Williams]] hit 31 home runs, and had 145 [[RBI]] as a rookie in 1939
* During the [[NHL]] 2005–2006 season
** About 12% of all games (145 of 1,230) were decided by a shootout
** Teams scored 7,443 goals – not including 145 goals awarded to clubs winning a shootout

==In transportation==
* [[Eurocopter EC 145]] is a twin-engine light utility [[helicopter]]
* [http://www.tertrerouge-racingcars.com/Delahaye145sports.html The Delahaye 145 Sports Car] from 1938
* The [[Alfa Romeo 145]] car produced between 1994 and 2001
* [[Volvo 140 Series|Volvo 145 Express]] station wagon
* [[Embraer ERJ 145 family|ERJ 145]] [[Regional airliner|regional jets]] produced by [[Embraer]]
* [http://goldengatetransit.org/schedules/pages/Route_145.html Golden Gate Transit Bus Route 145]
* [http://www.londonbusroutes.net/times/145.htm London Bus Route 145]
* [[Alabama State Route 145]] runs from [[Clanton, Alabama|Clanton]] to [[Wilsonville, Alabama|Wilsonville]]
* [[California State Route 145]] runs from [[Interstate 5 (California)|Interstate 5]] to [[Fresno, California|Fresno]]
* [[Connecticut Route 145]] runs from [[Clinton, Connecticut|Clinton]] to [[Chester, Connecticut|Chester]]
* [[Illinois Route 145]] runs from [[Metropolis, Illinois|Metropolis]] to [[Harrisburg, Illinois|Harrisburg]]
* [[Maryland Route 145]] runs from [[Cockeysville-Hunt Valley, Maryland|Cockeysville]] to [[Baldwin, Maryland|Baldwin]]
* [[Massachusetts Route 145]] in [[Suffolk County, Massachusetts|Suffolk County]]
* [[Missouri Route 145]] in [[Mercer County, Missouri|Mercer County]]
* [[New York State Route 145]] runs from [[Cairo (town), New York|Cairo]] to [[Sharon, New York|Sharon]]
* [[Pennsylvania Route 145]] in [[Lehigh Valley]]
* [[Virginia State Route 145]] runs from [[Chesterfield, Virginia|Chesterfield]] to [[Richmond, VA|Richmond]]
* [[Winnipeg Route 145]] runs from the [[Perimeter Highway]] to [[Winnipeg Route 80|Route 80/Waverley Street]]

==In TV and radio==
* The TV series [[Spin City]] ran on [[American Broadcasting Company|ABC]] from 1996 to 2002 with 145 episodes
* Channel 145 on the [[List of Dish Network channels|Dish Network]] is [[ESPN]] Alternate
* Channel 145 on [[List of XM Satellite Radio channels|XM Satellite Radio]] is [[Indy Racing League|IndyCar]]
* Channel 145 on [[List of Sirius Satellite Radio stations|Sirius Satellite Radio]] is [[Fox News Talk]]

==In other fields==
'''145''' is also:
* The year AD 145 or 145 BC
* 145 AH is a year in the [[Islamic calendar]] that corresponds to 762 – 763 [[Common Era|CE]]
* [[145 Adeona]] is a large [[Asteroid belt|Main belt]] [[asteroid]]
* [http://www.biblegateway.com/passage/?book_id=23&chapter=145&version=31 Psalm 145]
* [[Sonnet 145]]
* [[Apple Computer]] laptops, such as the [[PowerBook 145]] and [[PowerBook 145B]]
* [[Botswana]] ranks #145 in world [[List of countries by population|population]]
* [[Puff Daddy]] song “Picture it” includes the lyrics “in something foreign soarin’ 145”
* [http://www.145street.com 145th Street blues band]
* [[Tsuu T'ina Nation 145, Alberta|Tsuu T'ina Nation 145]] [[Indian reserve]] in [[Alberta]], [[Canada]]
* The 2004 film “[http://www.imdb.com/title/tt0439239 Love and 145 Watts]” starring Jessica Baxter
* 145 [[Milligram#SI multiples|mg]] medicine tablets, as with [[Tricor]]
* "One Four Five" is a song by [[The Cat Empire]]

==See also==
* [[List of highways numbered 145]]
* [[United Nations Security Council Resolution 145]]
* [[List of United States Supreme Court cases, volume 145|United States Supreme Court cases, Volume 145]]

== References ==
* Wells, D. ''[[The Penguin Dictionary of Curious and Interesting Numbers]]'' London: Penguin Group. (1987): 140

==External links==
{{Commons cat|145 (number)}}
* [http://numbers.daresler.net/145/ The Natural Number 145]
* {{cite web|last=Parker|first=Matt|title=145 and the Melancoil|url=http://www.numberphile.com/videos/melancoil.html|work=Numberphile|publisher=[[Brady Haran]]}}

{{Integers|1}}
{{DEFAULTSORT:145 (Number)}}
[[Category:Integers]]

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