2144575854 has 24 divisors (see below), whose sum is σ = 4651423920. Its totient is φ = 714113568.

The previous prime is 2144575819. The next prime is 2144575871. The reversal of 2144575854 is 4585754412.

2144575854 is a `hidden beast` number, since 2 + 14 + 4 + 57 + 585 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44199 + ... + 79010.

It is an arithmetic number, because the mean of its divisors is an integer number (193809330).

Almost surely, 2^2144575854 is an apocalyptic number.

2144575854 is an abundant number, since it is smaller than the sum of its proper divisors (2506848066).

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

2144575854 is a wasteful number, since it uses less digits than its factorization.

2144575854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124184 (or 124181 counting only the distinct ones).

The product of its digits is 896000, while the sum is 45.

The square root of 2144575854 is about 46309.5654697817. The cubic root of 2144575854 is about 1289.5765799821.

The spelling of 2144575854 in words is "two billion, one hundred forty-four million, five hundred seventy-five thousand, eight hundred fifty-four".