157012113 has 8 divisors (see below), whose sum is σ = 209624800. Its totient is φ = 104537088.

The previous prime is 157012111. The next prime is 157012133. The reversal of 157012113 is 311210751.

It is a happy number.

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

It is not a de Polignac number, because 157012113 - 2¹ = 157012111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157012113.

It is not an unprimeable number, because it can be changed into a prime (157012111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31723 + ... + 36336.

It is an arithmetic number, because the mean of its divisors is an integer number (26203100).

Almost surely, 2^157012113 is an apocalyptic number.

It is an amenable number.

157012113 is a deficient number, since it is larger than the sum of its proper divisors (52612687).

157012113 is an equidigital number, since it uses as much as digits as its factorization.

157012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68831.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 157012113 is about 12530.4474381404. The cubic root of 157012113 is about 539.4829447159.

Adding to 157012113 its reverse (311210751), we get a palindrome (468222864).

The spelling of 157012113 in words is "one hundred fifty-seven million, twelve thousand, one hundred thirteen".