157609458 has 24 divisors (see below), whose sum is σ = 343985148. Its totient is φ = 52152192.

The previous prime is 157609451. The next prime is 157609483. The reversal of 157609458 is 854906751.

It can be written as a sum of positive squares in 2 ways, for example, as 156575169 + 1034289 = 12513^2 + 1017^2 .

It is not an unprimeable number, because it can be changed into a prime (157609451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29491 + ... + 34422.

Almost surely, 2^157609458 is an apocalyptic number.

157609458 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

157609458 is an abundant number, since it is smaller than the sum of its proper divisors (186375690).

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

157609458 is a wasteful number, since it uses less digits than its factorization.

157609458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64058 (or 64055 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 157609458 is about 12554.2605517012. The cubic root of 157609458 is about 540.1662245471.

The spelling of 157609458 in words is "one hundred fifty-seven million, six hundred nine thousand, four hundred fifty-eight".