157072107 has 16 divisors (see below), whose sum is σ = 225832320. Its totient is φ = 96782400.

The previous prime is 157072103. The next prime is 157072109. The reversal of 157072107 is 701270751.

It is not a de Polignac number, because 157072107 - 2² = 157072103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157072103) 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 15 ways as a sum of consecutive naturals, for example, 31269 + ... + 35942.

It is an arithmetic number, because the mean of its divisors is an integer number (14114520).

Almost surely, 2^157072107 is an apocalyptic number.

157072107 is a deficient number, since it is larger than the sum of its proper divisors (68760213).

157072107 is a wasteful number, since it uses less digits than its factorization.

157072107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67274.

The product of its (nonzero) digits is 3430, while the sum is 30.

The square root of 157072107 is about 12532.8411383852. The cubic root of 157072107 is about 539.5516477345.

The spelling of 157072107 in words is "one hundred fifty-seven million, seventy-two thousand, one hundred seven".