157161844 has 24 divisors (see below), whose sum is σ = 330868160. Its totient is φ = 63809856.

The previous prime is 157161799. The next prime is 157161871. The reversal of 157161844 is 448161751.

157161844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 147177 + ... + 148240.

Almost surely, 2^157161844 is an apocalyptic number.

157161844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

157161844 is an abundant number, since it is smaller than the sum of its proper divisors (173706316).

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

157161844 is a wasteful number, since it uses less digits than its factorization.

157161844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295447 (or 295445 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 157161844 is about 12536.4207013007. The cubic root of 157161844 is about 539.6543787445.

The spelling of 157161844 in words is "one hundred fifty-seven million, one hundred sixty-one thousand, eight hundred forty-four".