157543194 has 16 divisors (see below), whose sum is σ = 315983232. Its totient is φ = 52364928.

The previous prime is 157543187. The next prime is 157543207. The reversal of 157543194 is 491345751.

It is a Curzon number.

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, 35074 + ... + 39309.

It is an arithmetic number, because the mean of its divisors is an integer number (19748952).

Almost surely, 2^157543194 is an apocalyptic number.

157543194 is an abundant number, since it is smaller than the sum of its proper divisors (158440038).

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

157543194 is a wasteful number, since it uses less digits than its factorization.

157543194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74741.

The product of its digits is 75600, while the sum is 39.

The square root of 157543194 is about 12551.6211701915. The cubic root of 157543194 is about 540.0905129484.

The spelling of 157543194 in words is "one hundred fifty-seven million, five hundred forty-three thousand, one hundred ninety-four".