157144688 has 40 divisors (see below), whose sum is σ = 314176320. Its totient is φ = 76102400.

The previous prime is 157144679. The next prime is 157144709. The reversal of 157144688 is 886441751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74918 + ... + 76986.

It is an arithmetic number, because the mean of its divisors is an integer number (7854408).

Almost surely, 2^157144688 is an apocalyptic number.

It is an amenable number.

157144688 is a deficient number, since it is larger than the sum of its proper divisors (157031632).

157144688 is a wasteful number, since it uses less digits than its factorization.

157144688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225 (or 2219 counting only the distinct ones).

The product of its digits is 215040, while the sum is 44.

The square root of 157144688 is about 12535.7364362849. The cubic root of 157144688 is about 539.6347415621.

It can be divided in two parts, 15714 and 4688, that added together give a palindrome (20402).

The spelling of 157144688 in words is "one hundred fifty-seven million, one hundred forty-four thousand, six hundred eighty-eight".