157623634 has 16 divisors (see below), whose sum is σ = 274643136. Its totient is φ = 66445200.

The previous prime is 157623629. The next prime is 157623649. The reversal of 157623634 is 436326751.

It is a junction number, because it is equal to n+sod(n) for n = 157623593 and 157623602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91432 + ... + 93139.

It is an arithmetic number, because the mean of its divisors is an integer number (17165196).

Almost surely, 2^157623634 is an apocalyptic number.

157623634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

157623634 is a deficient number, since it is larger than the sum of its proper divisors (117019502).

157623634 is a wasteful number, since it uses less digits than its factorization.

157623634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184641.

The product of its digits is 90720, while the sum is 37.

The square root of 157623634 is about 12554.8251282127. The cubic root of 157623634 is about 540.1824189366.

The spelling of 157623634 in words is "one hundred fifty-seven million, six hundred twenty-three thousand, six hundred thirty-four".