315145520224 has 24 divisors (see below), whose sum is σ = 621245434320. Its totient is φ = 157368902016.

The previous prime is 315145520191. The next prime is 315145520237. The reversal of 315145520224 is 422025541513.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 315145520224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6345444 + ... + 6394915.

It is an arithmetic number, because the mean of its divisors is an integer number (25885226430).

Almost surely, 2^315145520224 is an apocalyptic number.

It is an amenable number.

315145520224 is a deficient number, since it is larger than the sum of its proper divisors (306099914096).

315145520224 is a wasteful number, since it uses less digits than its factorization.

315145520224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12741142 (or 12741134 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 315145520224 in words is "three hundred fifteen billion, one hundred forty-five million, five hundred twenty thousand, two hundred twenty-four".