157232330 has 8 divisors (see below), whose sum is σ = 283018212. Its totient is φ = 62892928.

The previous prime is 157232329. The next prime is 157232377. The reversal of 157232330 is 33232751.

It can be written as a sum of positive squares in 2 ways, for example, as 150724729 + 6507601 = 12277^2 + 2551^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 157232330.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7861607 + ... + 7861626.

Almost surely, 2^157232330 is an apocalyptic number.

157232330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157232330 is a deficient number, since it is larger than the sum of its proper divisors (125785882).

157232330 is a wasteful number, since it uses less digits than its factorization.

157232330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15723240.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 157232330 is about 12539.2316351521. The cubic root of 157232330 is about 539.7350437719.

The spelling of 157232330 in words is "one hundred fifty-seven million, two hundred thirty-two thousand, three hundred thirty".