2445 = 3 x 5 x 163.
2445 is a truncated tetrahedral number (A005906).
2445 is a number n such that n! has a square number of digits (A006488).
2445 is the sum of nine nonzero 6th powers (A003365).
2445 is a lucky number that is divisible by the sum of its digits (A118564).
2445 divides 596 - 1.
Source: What's Special About This Number?