157219712 has 32 divisors (see below), whose sum is σ = 337307880. Its totient is φ = 72562176.

The previous prime is 157219709. The next prime is 157219819. The reversal of 157219712 is 217912751.

It is a tau number, because it is divible by the number of its divisors (32).

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, 45578 + ... + 48905.

Almost surely, 2^157219712 is an apocalyptic number.

It is an amenable number.

157219712 is an abundant number, since it is smaller than the sum of its proper divisors (180088168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157219712 is an equidigital number, since it uses as much as digits as its factorization.

157219712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94510 (or 94498 counting only the distinct ones).

The product of its digits is 8820, while the sum is 35.

The square root of 157219712 is about 12538.7284841805. The cubic root of 157219712 is about 539.7206053525.

The spelling of 157219712 in words is "one hundred fifty-seven million, two hundred nineteen thousand, seven hundred twelve".