315245545220 has 24 divisors (see below), whose sum is σ = 662268336408. Its totient is φ = 126050086400.

The previous prime is 315245545193. The next prime is 315245545229. The reversal of 315245545220 is 22545542513.

It can be written as a sum of positive squares in 4 ways, for example, as 9843417796 + 305402127424 = 99214^2 + 552632^2 .

It is not an unprimeable number, because it can be changed into a prime (315245545229) 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, 2954501 + ... + 3059340.

It is an arithmetic number, because the mean of its divisors is an integer number (27594514017).

Almost surely, 2^315245545220 is an apocalyptic number.

It is an amenable number.

315245545220 is an abundant number, since it is smaller than the sum of its proper divisors (347022791188).

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

315245545220 is a wasteful number, since it uses less digits than its factorization.

315245545220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6016471 (or 6016469 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 315245545220 in words is "three hundred fifteen billion, two hundred forty-five million, five hundred forty-five thousand, two hundred twenty".