315626152 has 8 divisors (see below), whose sum is σ = 591799050. Its totient is φ = 157813072.

The previous prime is 315626147. The next prime is 315626173. The reversal of 315626152 is 251626513.

It can be written as a sum of positive squares in only one way, i.e., 290566116 + 25060036 = 17046^2 + 5006^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19726627 + ... + 19726642.

Almost surely, 2^315626152 is an apocalyptic number.

It is an amenable number.

315626152 is a deficient number, since it is larger than the sum of its proper divisors (276172898).

315626152 is a wasteful number, since it uses less digits than its factorization.

315626152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39453275 (or 39453271 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 315626152 is about 17765.8704261851. The cubic root of 315626152 is about 680.8597487471.

The spelling of 315626152 in words is "three hundred fifteen million, six hundred twenty-six thousand, one hundred fifty-two".