157253918 has 8 divisors (see below), whose sum is σ = 248295720. Its totient is φ = 74488680.

The previous prime is 157253867. The next prime is 157253923. The reversal of 157253918 is 819352751.

157253918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069093 + ... + 2069168.

It is an arithmetic number, because the mean of its divisors is an integer number (31036965).

Almost surely, 2^157253918 is an apocalyptic number.

157253918 is a deficient number, since it is larger than the sum of its proper divisors (91041802).

157253918 is a wasteful number, since it uses less digits than its factorization.

157253918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138282.

The product of its digits is 75600, while the sum is 41.

The square root of 157253918 is about 12540.0924239018. The cubic root of 157253918 is about 539.7597445166.

It can be divided in two parts, 15725 and 3918, that multiplied together give a triangular number (61610550 = T₁₁₁₀₀).

The spelling of 157253918 in words is "one hundred fifty-seven million, two hundred fifty-three thousand, nine hundred eighteen".