157252557654 has 32 divisors (see below), whose sum is σ = 349487199840. Its totient is φ = 52411958496.

The previous prime is 157252557647. The next prime is 157252557703. The reversal of 157252557654 is 456755252751.

157252557654 is a `hidden beast` number, since 1 + 5 + 7 + 2 + 525 + 57 + 65 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 157252557654.

It is a congruent number.

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, 375984 + ... + 675180.

It is an arithmetic number, because the mean of its divisors is an integer number (10921474995).

Almost surely, 2^157252557654 is an apocalyptic number.

157252557654 is an abundant number, since it is smaller than the sum of its proper divisors (192234642186).

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

157252557654 is a wasteful number, since it uses less digits than its factorization.

157252557654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308941 (or 308935 counting only the distinct ones).

The product of its digits is 14700000, while the sum is 54.

The spelling of 157252557654 in words is "one hundred fifty-seven billion, two hundred fifty-two million, five hundred fifty-seven thousand, six hundred fifty-four".