315492442 has 16 divisors (see below), whose sum is σ = 478269792. Its totient is φ = 156078000.

The previous prime is 315492439. The next prime is 315492467. The reversal of 315492442 is 244294513.

It is a junction number, because it is equal to n+sod(n) for n = 315492398 and 315492407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76813 + ... + 80815.

It is an arithmetic number, because the mean of its divisors is an integer number (29891862).

Almost surely, 2^315492442 is an apocalyptic number.

315492442 is a deficient number, since it is larger than the sum of its proper divisors (162777350).

315492442 is a wasteful number, since it uses less digits than its factorization.

315492442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4413.

The product of its digits is 34560, while the sum is 34.

The square root of 315492442 is about 17762.1069133141. The cubic root of 315492442 is about 680.7635900321.

The spelling of 315492442 in words is "three hundred fifteen million, four hundred ninety-two thousand, four hundred forty-two".