315452442 has 32 divisors (see below), whose sum is σ = 684319104. Its totient is φ = 96550400.

The previous prime is 315452419. The next prime is 315452453. The reversal of 315452442 is 244254513.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33534 + ... + 41897.

It is an arithmetic number, because the mean of its divisors is an integer number (21384972).

Almost surely, 2^315452442 is an apocalyptic number.

315452442 is an abundant number, since it is smaller than the sum of its proper divisors (368866662).

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

315452442 is a wasteful number, since it uses less digits than its factorization.

315452442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75494.

The product of its digits is 19200, while the sum is 30.

The square root of 315452442 is about 17760.9808850750. The cubic root of 315452442 is about 680.7348184031.

The spelling of 315452442 in words is "three hundred fifteen million, four hundred fifty-two thousand, four hundred forty-two".