2154574442156 has 48 divisors (see below), whose sum is σ = 4062809832480. Its totient is φ = 996034129920.

The previous prime is 2154574442149. The next prime is 2154574442179. The reversal of 2154574442156 is 6512444754512.

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, 5561816 + ... + 5936576.

It is an arithmetic number, because the mean of its divisors is an integer number (84641871510).

Almost surely, 2^{2154574442156} is an apocalyptic number.

It is an amenable number.

2154574442156 is a deficient number, since it is larger than the sum of its proper divisors (1908235390324).

2154574442156 is a wasteful number, since it uses less digits than its factorization.

2154574442156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376274 (or 376272 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 50.

The spelling of 2154574442156 in words is "two trillion, one hundred fifty-four billion, five hundred seventy-four million, four hundred forty-two thousand, one hundred fifty-six".