315156532 has 12 divisors (see below), whose sum is σ = 551730816. Its totient is φ = 157519160.

The previous prime is 315156487. The next prime is 315156539. The reversal of 315156532 is 235651513.

It is a junction number, because it is equal to n+sod(n) for n = 315156494 and 315156503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315156539) 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, 1444 + ... + 25147.

It is an arithmetic number, because the mean of its divisors is an integer number (45977568).

Almost surely, 2^315156532 is an apocalyptic number.

It is an amenable number.

315156532 is a deficient number, since it is larger than the sum of its proper divisors (236574284).

315156532 is a wasteful number, since it uses less digits than its factorization.

315156532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29558 (or 29556 counting only the distinct ones).

The product of its digits is 13500, while the sum is 31.

The square root of 315156532 is about 17752.6485911258. The cubic root of 315156532 is about 680.5218974977.

The spelling of 315156532 in words is "three hundred fifteen million, one hundred fifty-six thousand, five hundred thirty-two".