245 (two hundred [and] forty-five) is the natural number following 244 and preceding 246. Additionally, 245 is:
a composite number. a stella octangula number. palindromic in bases 34 (7734) and 48 (5548) a Harshad number in bases 7, 9, 11, 15, 31, 35, 36 (and 14 other bases). the aliquot sum of any of these numbers: 723, 1195, 2563, 3859, 9259, 10123, 12283, 14659 and 14803 part of the 97-aliquot tree. The aliquot sequence starting at 10222 is: 10222, 5978, 4624, 4893, 2595, 1581, 723, 245, 97, 1, 0
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