157505212 has 12 divisors (see below), whose sum is σ = 290141320. Its totient is φ = 74607696.

The previous prime is 157505197. The next prime is 157505237. The reversal of 157505212 is 212505751.

It is a congruent number.

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, 1036143 + ... + 1036294.

Almost surely, 2^157505212 is an apocalyptic number.

It is an amenable number.

157505212 is a deficient number, since it is larger than the sum of its proper divisors (132636108).

157505212 is a wasteful number, since it uses less digits than its factorization.

157505212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072460 (or 2072458 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 157505212 is about 12550.1080473437. The cubic root of 157505212 is about 540.0471060873.

The spelling of 157505212 in words is "one hundred fifty-seven million, five hundred five thousand, two hundred twelve".