157144728747 has 32 divisors (see below), whose sum is σ = 215975801664. Its totient is φ = 101559744000.

The previous prime is 157144728737. The next prime is 157144728757. The reversal of 157144728747 is 747827441751.

It is an interprime number because it is at equal distance from previous prime (157144728737) and next prime (157144728757).

It is not a de Polignac number, because 157144728747 - 2¹⁶ = 157144663211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157144728737) 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 31 ways as a sum of consecutive naturals, for example, 57329797 + ... + 57332537.

It is an arithmetic number, because the mean of its divisors is an integer number (6749243802).

Almost surely, 2^157144728747 is an apocalyptic number.

157144728747 is a deficient number, since it is larger than the sum of its proper divisors (58831072917).

157144728747 is a wasteful number, since it uses less digits than its factorization.

157144728747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479.

The product of its digits is 12293120, while the sum is 57.

The spelling of 157144728747 in words is "one hundred fifty-seven billion, one hundred forty-four million, seven hundred twenty-eight thousand, seven hundred forty-seven".