157002230 has 128 divisors (see below), whose sum is σ = 373248000. Its totient is φ = 46126080.

The previous prime is 157002221. The next prime is 157002253. The reversal of 157002230 is 32200751.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1764026 + ... + 1764114.

It is an arithmetic number, because the mean of its divisors is an integer number (2916000).

Almost surely, 2^157002230 is an apocalyptic number.

157002230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157002230 is an abundant number, since it is smaller than the sum of its proper divisors (216245770).

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

157002230 is a wasteful number, since it uses less digits than its factorization.

157002230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 157002230 is about 12530.0530725133. The cubic root of 157002230 is about 539.4716253730.

Adding to 157002230 its reverse (32200751), we get a palindrome (189202981).

The spelling of 157002230 in words is "one hundred fifty-seven million, two thousand, two hundred thirty".