315157472 has 24 divisors (see below), whose sum is σ = 709104816. Its totient is φ = 135067392.

The previous prime is 315157463. The next prime is 315157489. The reversal of 315157472 is 274751513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703253 + ... + 703700.

It is an arithmetic number, because the mean of its divisors is an integer number (29546034).

Almost surely, 2^315157472 is an apocalyptic number.

315157472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

315157472 is an abundant number, since it is smaller than the sum of its proper divisors (393947344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315157472 is a wasteful number, since it uses less digits than its factorization.

315157472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406970 (or 1406962 counting only the distinct ones).

The product of its digits is 29400, while the sum is 35.

The square root of 315157472 is about 17752.6750660288. The cubic root of 315157472 is about 680.5225740820.

It can be divided in two parts, 3 and 15157472, that multiplied together give a triangular number (45472416 = T₉₅₃₆).

The spelling of 315157472 in words is "three hundred fifteen million, one hundred fifty-seven thousand, four hundred seventy-two".