315225042 has 16 divisors (see below), whose sum is σ = 687763872. Its totient is φ = 95522720.

The previous prime is 315225037. The next prime is 315225047. The reversal of 315225042 is 240522513.

315225042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (315225037) and next prime (315225047).

It is not an unprimeable number, because it can be changed into a prime (315225047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2388003 + ... + 2388134.

It is an arithmetic number, because the mean of its divisors is an integer number (42985242).

Almost surely, 2^315225042 is an apocalyptic number.

315225042 is an abundant number, since it is smaller than the sum of its proper divisors (372538830).

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

315225042 is a wasteful number, since it uses less digits than its factorization.

315225042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4776153.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 315225042 is about 17754.5780575039. The cubic root of 315225042 is about 680.5712054579.

Adding to 315225042 its reverse (240522513), we get a palindrome (555747555).

The spelling of 315225042 in words is "three hundred fifteen million, two hundred twenty-five thousand, forty-two".