155000157 has 32 divisors (see below), whose sum is σ = 242390400. Its totient is φ = 87236352.

The previous prime is 155000149. The next prime is 155000161. The reversal of 155000157 is 751000551.

It is not a de Polignac number, because 155000157 - 2³ = 155000149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155000107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17883 + ... + 25095.

It is an arithmetic number, because the mean of its divisors is an integer number (7574700).

Almost surely, 2^155000157 is an apocalyptic number.

It is an amenable number.

155000157 is a deficient number, since it is larger than the sum of its proper divisors (87390243).

155000157 is a wasteful number, since it uses less digits than its factorization.

155000157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7277.

The product of its (nonzero) digits is 875, while the sum is 24.

The square root of 155000157 is about 12449.9059032589. The cubic root of 155000157 is about 537.1687168610.

The spelling of 155000157 in words is "one hundred fifty-five million, one hundred fifty-seven", and thus it is an aban number.