157455423 has 6 divisors (see below), whose sum is σ = 227435624. Its totient is φ = 104970276.

The previous prime is 157455407. The next prime is 157455433. The reversal of 157455423 is 324554751.

157455423 is a `hidden beast` number, since 15 + 74 + 554 + 23 = 666.

157455423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157455423 - 2⁴ = 157455407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157455433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8747515 + ... + 8747532.

Almost surely, 2^157455423 is an apocalyptic number.

157455423 is a deficient number, since it is larger than the sum of its proper divisors (69980201).

157455423 is a wasteful number, since it uses less digits than its factorization.

157455423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17495053 (or 17495050 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 157455423 is about 12548.1242821387. The cubic root of 157455423 is about 539.9901952952.

The spelling of 157455423 in words is "one hundred fifty-seven million, four hundred fifty-five thousand, four hundred twenty-three".