315247546575242 has 8 divisors (see below), whose sum is σ = 481793420237796. Its totient is φ = 154649739829312.

The previous prime is 315247546575223. The next prime is 315247546575253. The reversal of 315247546575242 is 242575645742513.

It can be written as a sum of positive squares in 2 ways, for example, as 313443336157561 + 1804210417681 = 17704331^2 + 1343209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1487016729023 + ... + 1487016729234.

Almost surely, 2^{315247546575242} is an apocalyptic number.

315247546575242 is a deficient number, since it is larger than the sum of its proper divisors (166545873662554).

315247546575242 is a wasteful number, since it uses less digits than its factorization.

315247546575242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974033458312.

The product of its digits is 282240000, while the sum is 62.

The spelling of 315247546575242 in words is "three hundred fifteen trillion, two hundred forty-seven billion, five hundred forty-six million, five hundred seventy-five thousand, two hundred forty-two".