252664152645 has 64 divisors (see below), whose sum is σ = 415927249920. Its totient is φ = 130911436800.

The previous prime is 252664152613. The next prime is 252664152677. The reversal of 252664152645 is 546251466252.

252664152645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (252664152613) and next prime (252664152677).

It is not a de Polignac number, because 252664152645 - 2⁵ = 252664152613 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 252664152594 and 252664152603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 81793261 + ... + 81796349.

It is an arithmetic number, because the mean of its divisors is an integer number (6498863280).

Almost surely, 2^252664152645 is an apocalyptic number.

It is an amenable number.

252664152645 is a deficient number, since it is larger than the sum of its proper divisors (163263097275).

252664152645 is a wasteful number, since it uses less digits than its factorization.

252664152645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966.

The product of its digits is 3456000, while the sum is 48.

The spelling of 252664152645 in words is "two hundred fifty-two billion, six hundred sixty-four million, one hundred fifty-two thousand, six hundred forty-five".