315075442 has 32 divisors (see below), whose sum is σ = 545875200. Its totient is φ = 134888400.

The previous prime is 315075419. The next prime is 315075457. The reversal of 315075442 is 244570513.

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, 72717 + ... + 76927.

It is an arithmetic number, because the mean of its divisors is an integer number (17058600).

Almost surely, 2^315075442 is an apocalyptic number.

315075442 is a deficient number, since it is larger than the sum of its proper divisors (230799758).

315075442 is a wasteful number, since it uses less digits than its factorization.

315075442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 315075442 is about 17750.3645596365. The cubic root of 315075442 is about 680.4635262349.

The spelling of 315075442 in words is "three hundred fifteen million, seventy-five thousand, four hundred forty-two".