188357157 has 40 divisors (see below), whose sum is σ = 295162560. Its totient is φ = 119568960.

The previous prime is 188357131. The next prime is 188357201. The reversal of 188357157 is 751753881.

It is not a de Polignac number, because 188357157 - 2¹¹ = 188355109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188157157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 142144 + ... + 143462.

It is an arithmetic number, because the mean of its divisors is an integer number (7379064).

Almost surely, 2^188357157 is an apocalyptic number.

It is an amenable number.

188357157 is a deficient number, since it is larger than the sum of its proper divisors (106805403).

188357157 is a wasteful number, since it uses less digits than its factorization.

188357157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415 (or 1406 counting only the distinct ones).

The product of its digits is 235200, while the sum is 45.

The square root of 188357157 is about 13724.3271966242. The cubic root of 188357157 is about 573.2279732105.

The spelling of 188357157 in words is "one hundred eighty-eight million, three hundred fifty-seven thousand, one hundred fifty-seven".