157539212 has 12 divisors (see below), whose sum is σ = 275790480. Its totient is φ = 78741936.

The previous prime is 157539209. The next prime is 157539251. The reversal of 157539212 is 212935751.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11114 + ... + 20942.

It is an arithmetic number, because the mean of its divisors is an integer number (22982540).

Almost surely, 2^157539212 is an apocalyptic number.

It is an amenable number.

157539212 is a deficient number, since it is larger than the sum of its proper divisors (118251268).

157539212 is a wasteful number, since it uses less digits than its factorization.

157539212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13840 (or 13838 counting only the distinct ones).

The product of its digits is 18900, while the sum is 35.

The square root of 157539212 is about 12551.4625442615. The cubic root of 157539212 is about 540.0859625380.

It can be divided in two parts, 157539 and 212, that added together give a palindrome (157751).

The spelling of 157539212 in words is "one hundred fifty-seven million, five hundred thirty-nine thousand, two hundred twelve".