157408257192 has 64 divisors (see below), whose sum is σ = 405843271680. Its totient is φ = 50845620672.

The previous prime is 157408257169. The next prime is 157408257229. The reversal of 157408257192 is 291752804751.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469438 + ... + 731565.

It is an arithmetic number, because the mean of its divisors is an integer number (6341301120).

Almost surely, 2^157408257192 is an apocalyptic number.

157408257192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157408257192 is an abundant number, since it is smaller than the sum of its proper divisors (248435014488).

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

157408257192 is a wasteful number, since it uses less digits than its factorization.

157408257192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201182 (or 1201178 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 51.

The spelling of 157408257192 in words is "one hundred fifty-seven billion, four hundred eight million, two hundred fifty-seven thousand, one hundred ninety-two".