157012407 has 6 divisors (see below), whose sum is σ = 226795712. Its totient is φ = 104674932.

The previous prime is 157012399. The next prime is 157012417. The reversal of 157012407 is 704210751.

It is not a de Polignac number, because 157012407 - 2³ = 157012399 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 (157012417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8722903 + ... + 8722920.

Almost surely, 2^157012407 is an apocalyptic number.

157012407 is a deficient number, since it is larger than the sum of its proper divisors (69783305).

157012407 is a wasteful number, since it uses less digits than its factorization.

157012407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17445829 (or 17445826 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 157012407 is about 12530.4591695596. The cubic root of 157012407 is about 539.4832814370.

The spelling of 157012407 in words is "one hundred fifty-seven million, twelve thousand, four hundred seven".