157292130 has 16 divisors (see below), whose sum is σ = 377501184. Its totient is φ = 41944560.

The previous prime is 157292117. The next prime is 157292137. The reversal of 157292130 is 31292751.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 5243071 = 157292130 / (1 + 5 + 7 + 2 + 9 + 2 + 1 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (157292137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2621506 + ... + 2621565.

It is an arithmetic number, because the mean of its divisors is an integer number (23593824).

Almost surely, 2^157292130 is an apocalyptic number.

157292130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157292130 is an abundant number, since it is smaller than the sum of its proper divisors (220209054).

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

157292130 is a wasteful number, since it uses less digits than its factorization.

157292130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243081.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 157292130 is about 12541.6159245928. The cubic root of 157292130 is about 539.8034607119.

The spelling of 157292130 in words is "one hundred fifty-seven million, two hundred ninety-two thousand, one hundred thirty".