1507157157 has 16 divisors (see below), whose sum is σ = 2193177600. Its totient is φ = 913033200.

The previous prime is 1507157081. The next prime is 1507157177. The reversal of 1507157157 is 7517517051.

It is not a de Polignac number, because 1507157157 - 2⁸ = 1507156901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1507157177) 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, 79594 + ... + 96692.

It is an arithmetic number, because the mean of its divisors is an integer number (137073600).

Almost surely, 2^1507157157 is an apocalyptic number.

It is an amenable number.

1507157157 is a deficient number, since it is larger than the sum of its proper divisors (686020443).

1507157157 is a wasteful number, since it uses less digits than its factorization.

1507157157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19784.

The product of its (nonzero) digits is 42875, while the sum is 39.

The square root of 1507157157 is about 38822.1220053721. The cubic root of 1507157157 is about 1146.5319988531.

The spelling of 1507157157 in words is "one billion, five hundred seven million, one hundred fifty-seven thousand, one hundred fifty-seven".