315145530244 has 12 divisors (see below), whose sum is σ = 551630136204. Its totient is φ = 157536919904.

The previous prime is 315145530211. The next prime is 315145530251. The reversal of 315145530244 is 442035541513.

It can be written as a sum of positive squares in 2 ways, for example, as 99628609600 + 215516920644 = 315640^2 + 464238^2 .

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, 8941519 + ... + 8976694.

It is an arithmetic number, because the mean of its divisors is an integer number (45969178017).

Almost surely, 2^315145530244 is an apocalyptic number.

It is an amenable number.

315145530244 is a deficient number, since it is larger than the sum of its proper divisors (236484605960).

315145530244 is a wasteful number, since it uses less digits than its factorization.

315145530244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17922614 (or 17922612 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 315145530244 in words is "three hundred fifteen billion, one hundred forty-five million, five hundred thirty thousand, two hundred forty-four".