157123037 has 8 divisors (see below), whose sum is σ = 158769600. Its totient is φ = 155485440.

The previous prime is 157123019. The next prime is 157123039. The reversal of 157123037 is 730321751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157123037 - 2⁸ = 157122781 is a prime.

It is a super-2 number, since 2×157123037² = 49375297512206738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157123039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36362 + ... + 40452.

It is an arithmetic number, because the mean of its divisors is an integer number (19846200).

Almost surely, 2^157123037 is an apocalyptic number.

It is an amenable number.

157123037 is a deficient number, since it is larger than the sum of its proper divisors (1646563).

157123037 is a wasteful number, since it uses less digits than its factorization.

157123037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 157123037 is about 12534.8728354140. The cubic root of 157123037 is about 539.6099572512.

Adding to 157123037 its reverse (730321751), we get a palindrome (887444788).

The spelling of 157123037 in words is "one hundred fifty-seven million, one hundred twenty-three thousand, thirty-seven".