252867264145 has 16 divisors (see below), whose sum is σ = 304226928720. Its totient is φ = 201770348544.

The previous prime is 252867264137. The next prime is 252867264187. The reversal of 252867264145 is 541462768252.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 23930852416 + 228936411729 = 154696^2 + 478473^2 .

It is a cyclic number.

It is not a de Polignac number, because 252867264145 - 2³ = 252867264137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252867264092 and 252867264101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2996449 + ... + 3079681.

It is an arithmetic number, because the mean of its divisors is an integer number (19014183045).

Almost surely, 2^252867264145 is an apocalyptic number.

It is an amenable number.

252867264145 is a deficient number, since it is larger than the sum of its proper divisors (51359664575).

252867264145 is an equidigital number, since it uses as much as digits as its factorization.

252867264145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84804.

The product of its digits is 6451200, while the sum is 52.

The spelling of 252867264145 in words is "two hundred fifty-two billion, eight hundred sixty-seven million, two hundred sixty-four thousand, one hundred forty-five".