**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 59

^{6}- 1.

Source: What's Special About This Number?