888145131 has 4 divisors (see below), whose sum is σ = 1184193512. Its totient is φ = 592096752.

The previous prime is 888145123. The next prime is 888145169. The reversal of 888145131 is 131541888.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 888145131 - 2³ = 888145123 is a prime.

It is a super-2 number, since 2×888145131² = 1577603547438014322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 888145131.

It is not an unprimeable number, because it can be changed into a prime (888145171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148024186 + ... + 148024191.

It is an arithmetic number, because the mean of its divisors is an integer number (296048378).

Almost surely, 2^888145131 is an apocalyptic number.

888145131 is a deficient number, since it is larger than the sum of its proper divisors (296048381).

888145131 is a wasteful number, since it uses less digits than its factorization.

888145131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296048380.

The product of its digits is 30720, while the sum is 39.

The square root of 888145131 is about 29801.7638907498. The cubic root of 888145131 is about 961.2314675842.

The spelling of 888145131 in words is "eight hundred eighty-eight million, one hundred forty-five thousand, one hundred thirty-one".