245 (number)

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,
 * part of the 97-aliquot tree. 4624, 4893, 2595, 1581, 723, 245 ,