157759992 has 96 divisors (see below), whose sum is σ = 475063680. Its totient is φ = 46967040.

The previous prime is 157759981. The next prime is 157759997. The reversal of 157759992 is 299957751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157759997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26298 + ... + 31734.

It is an arithmetic number, because the mean of its divisors is an integer number (4948580).

Almost surely, 2^157759992 is an apocalyptic number.

157759992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157759992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237531840).

157759992 is an abundant number, since it is smaller than the sum of its proper divisors (317303688).

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

157759992 is a wasteful number, since it uses less digits than its factorization.

157759992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5493 (or 5486 counting only the distinct ones).

The product of its digits is 1786050, while the sum is 54.

The square root of 157759992 is about 12560.2544560212. The cubic root of 157759992 is about 540.3381421243.

The spelling of 157759992 in words is "one hundred fifty-seven million, seven hundred fifty-nine thousand, nine hundred ninety-two".