157294992 has 80 divisors (see below), whose sum is σ = 430940672. Its totient is φ = 49351680.

The previous prime is 157294987. The next prime is 157294993. The reversal of 157294992 is 299492751.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (157294993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53628 + ... + 56484.

Almost surely, 2^157294992 is an apocalyptic number.

157294992 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 157294992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215470336).

157294992 is an abundant number, since it is smaller than the sum of its proper divisors (273645680).

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

157294992 is a wasteful number, since it uses less digits than its factorization.

157294992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936 (or 2930 counting only the distinct ones).

The product of its digits is 408240, while the sum is 48.

The square root of 157294992 is about 12541.7300242032. The cubic root of 157294992 is about 539.8067346797.

The spelling of 157294992 in words is "one hundred fifty-seven million, two hundred ninety-four thousand, nine hundred ninety-two".