315882442 has 8 divisors (see below), whose sum is σ = 490162500. Its totient is φ = 152494944.

The previous prime is 315882439. The next prime is 315882473. The reversal of 315882442 is 244288513.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 314317441 + 1565001 = 17729^2 + 1251^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2723067 + ... + 2723182.

Almost surely, 2^315882442 is an apocalyptic number.

315882442 is a deficient number, since it is larger than the sum of its proper divisors (174280058).

315882442 is a wasteful number, since it uses less digits than its factorization.

315882442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446280.

The product of its digits is 61440, while the sum is 37.

The square root of 315882442 is about 17773.0819499602. The cubic root of 315882442 is about 681.0439860526.

The spelling of 315882442 in words is "three hundred fifteen million, eight hundred eighty-two thousand, four hundred forty-two".