157190492 has 6 divisors (see below), whose sum is σ = 275083368. Its totient is φ = 78595244.

The previous prime is 157190479. The next prime is 157190519. The reversal of 157190492 is 294091751.

157190492 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19648808 + ... + 19648815.

It is an arithmetic number, because the mean of its divisors is an integer number (45847228).

Almost surely, 2^157190492 is an apocalyptic number.

It is an amenable number.

157190492 is a deficient number, since it is larger than the sum of its proper divisors (117892876).

157190492 is a wasteful number, since it uses less digits than its factorization.

157190492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39297627 (or 39297625 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 157190492 is about 12537.5632401197. The cubic root of 157190492 is about 539.6871667694.

The spelling of 157190492 in words is "one hundred fifty-seven million, one hundred ninety thousand, four hundred ninety-two".