46157139 has 12 divisors (see below), whose sum is σ = 76196016. Its totient is φ = 26375472.

The previous prime is 46157129. The next prime is 46157147. The reversal of 46157139 is 93175164.

46157139 is a `hidden beast` number, since 4 + 615 + 7 + 1 + 39 = 666.

It is not a de Polignac number, because 46157139 - 2⁵ = 46157107 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (46157129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 366264 + ... + 366389.

It is an arithmetic number, because the mean of its divisors is an integer number (6349668).

Almost surely, 2^46157139 is an apocalyptic number.

46157139 is a deficient number, since it is larger than the sum of its proper divisors (30038877).

46157139 is a wasteful number, since it uses less digits than its factorization.

46157139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732666 (or 732663 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 46157139 is about 6793.9045474602. The cubic root of 46157139 is about 358.7123209061.

It can be divided in two parts, 461 and 57139, that added together give a square (57600 = 240²).

The spelling of 46157139 in words is "forty-six million, one hundred fifty-seven thousand, one hundred thirty-nine".