245511472 has 20 divisors (see below), whose sum is σ = 478875600. Its totient is φ = 121930688.

The previous prime is 245511463. The next prime is 245511479. The reversal of 245511472 is 274115542.

It is not an unprimeable number, because it can be changed into a prime (245511479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49108 + ... + 53875.

It is an arithmetic number, because the mean of its divisors is an integer number (23943780).

Almost surely, 2^245511472 is an apocalyptic number.

It is an amenable number.

245511472 is a deficient number, since it is larger than the sum of its proper divisors (233364128).

245511472 is a wasteful number, since it uses less digits than its factorization.

245511472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103140 (or 103134 counting only the distinct ones).

The product of its digits is 11200, while the sum is 31.

The square root of 245511472 is about 15668.8056979465. The cubic root of 245511472 is about 626.1676067927.

The spelling of 245511472 in words is "two hundred forty-five million, five hundred eleven thousand, four hundred seventy-two".