315475172 has 24 divisors (see below), whose sum is σ = 570656184. Its totient is φ = 152485632.

The previous prime is 315475157. The next prime is 315475177. The reversal of 315475172 is 271574513.

It can be written as a sum of positive squares in 4 ways, for example, as 166048996 + 149426176 = 12886^2 + 12224^2 .

It is not an unprimeable number, because it can be changed into a prime (315475177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16448 + ... + 30024.

It is an arithmetic number, because the mean of its divisors is an integer number (23777341).

Almost surely, 2^315475172 is an apocalyptic number.

It is an amenable number.

315475172 is a deficient number, since it is larger than the sum of its proper divisors (255181012).

315475172 is a wasteful number, since it uses less digits than its factorization.

315475172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13775 (or 13773 counting only the distinct ones).

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

The square root of 315475172 is about 17761.6207593789. The cubic root of 315475172 is about 680.7511681796.

The spelling of 315475172 in words is "three hundred fifteen million, four hundred seventy-five thousand, one hundred seventy-two".