157434872 has 16 divisors (see below), whose sum is σ = 337360560. Its totient is φ = 67472064.

The previous prime is 157434869. The next prime is 157434917. The reversal of 157434872 is 278434751.

157434872 is digitally balanced in base 3, 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1405613 + ... + 1405724.

It is an arithmetic number, because the mean of its divisors is an integer number (21085035).

Almost surely, 2^157434872 is an apocalyptic number.

It is an amenable number.

157434872 is an abundant number, since it is smaller than the sum of its proper divisors (179925688).

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

157434872 is a wasteful number, since it uses less digits than its factorization.

157434872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811350 (or 2811346 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 157434872 is about 12547.3053680860. The cubic root of 157434872 is about 539.9667011931.

The spelling of 157434872 in words is "one hundred fifty-seven million, four hundred thirty-four thousand, eight hundred seventy-two".