315453054646242 has 12 divisors (see below), whose sum is σ = 683481618400230. Its totient is φ = 105151018215408.

The previous prime is 315453054646229. The next prime is 315453054646243. The reversal of 315453054646242 is 242646450354513.

315453054646242 is a `hidden beast` number, since 3 + 1 + 5 + 4 + 5 + 3 + 0 + 5 + 4 + 6 + 4 + 624 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 307930163147721 + 7522891498521 = 17547939^2 + 2742789^2 .

It is not an unprimeable number, because it can be changed into a prime (315453054646243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8762584851267 + ... + 8762584851302.

Almost surely, 2^{315453054646242} is an apocalyptic number.

315453054646242 is an abundant number, since it is smaller than the sum of its proper divisors (368028563753988).

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

315453054646242 is a wasteful number, since it uses less digits than its factorization.

315453054646242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17525169702577 (or 17525169702574 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 54.

The spelling of 315453054646242 in words is "three hundred fifteen trillion, four hundred fifty-three billion, fifty-four million, six hundred forty-six thousand, two hundred forty-two".