315445451361544 has 32 divisors (see below), whose sum is σ = 675958374302400. Its totient is φ = 135190140592320.

The previous prime is 315445451361529. The next prime is 315445451361553. The reversal of 315445451361544 is 445163154544513.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5969539 + ... + 25817170.

It is an arithmetic number, because the mean of its divisors is an integer number (21123699196950).

Almost surely, 2^{315445451361544} is an apocalyptic number.

It is an amenable number.

315445451361544 is an abundant number, since it is smaller than the sum of its proper divisors (360512922940856).

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

315445451361544 is a wasteful number, since it uses less digits than its factorization.

315445451361544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31963933 (or 31963929 counting only the distinct ones).

The product of its digits is 34560000, while the sum is 55.

The spelling of 315445451361544 in words is "three hundred fifteen trillion, four hundred forty-five billion, four hundred fifty-one million, three hundred sixty-one thousand, five hundred forty-four".