157629238 has 32 divisors (see below), whose sum is σ = 260709120. Its totient is φ = 71033760.

The previous prime is 157629233. The next prime is 157629259. The reversal of 157629238 is 832926751.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 157629194 and 157629203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157629233) 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, 323431 + ... + 323917.

It is an arithmetic number, because the mean of its divisors is an integer number (8147160).

Almost surely, 2^157629238 is an apocalyptic number.

157629238 is a deficient number, since it is larger than the sum of its proper divisors (103079882).

157629238 is a wasteful number, since it uses less digits than its factorization.

157629238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772.

The product of its digits is 181440, while the sum is 43.

The square root of 157629238 is about 12555.0483073543. The cubic root of 157629238 is about 540.1888205705.

The spelling of 157629238 in words is "one hundred fifty-seven million, six hundred twenty-nine thousand, two hundred thirty-eight".