157205630 has 32 divisors (see below), whose sum is σ = 300283200. Its totient is φ = 59051520.

The previous prime is 157205627. The next prime is 157205663. The reversal of 157205630 is 36502751.

It is a super-2 number, since 2×157205630² = 49427220207393800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157205593 and 157205602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111671 + ... + 113069.

It is an arithmetic number, because the mean of its divisors is an integer number (9383850).

Almost surely, 2^157205630 is an apocalyptic number.

157205630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157205630 is a deficient number, since it is larger than the sum of its proper divisors (143077570).

157205630 is a wasteful number, since it uses less digits than its factorization.

157205630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 157205630 is about 12538.1669314139. The cubic root of 157205630 is about 539.7044908073.

The spelling of 157205630 in words is "one hundred fifty-seven million, two hundred five thousand, six hundred thirty".