654457157 has 16 divisors (see below), whose sum is σ = 693463680. Its totient is φ = 616399872.

The previous prime is 654457099. The next prime is 654457183. The reversal of 654457157 is 751754456.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-654457157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654457757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519194 + ... + 520452.

It is an arithmetic number, because the mean of its divisors is an integer number (43341480).

Almost surely, 2^654457157 is an apocalyptic number.

It is an amenable number.

654457157 is a deficient number, since it is larger than the sum of its proper divisors (39006523).

654457157 is a wasteful number, since it uses less digits than its factorization.

654457157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612.

The product of its digits is 588000, while the sum is 44.

The square root of 654457157 is about 25582.3602703113. The cubic root of 654457157 is about 868.2145781977.

The spelling of 654457157 in words is "six hundred fifty-four million, four hundred fifty-seven thousand, one hundred fifty-seven".