157423401 has 24 divisors (see below), whose sum is σ = 234097344. Its totient is φ = 101898720.

The previous prime is 157423393. The next prime is 157423403. The reversal of 157423401 is 104324751.

It is not a de Polignac number, because 157423401 - 2³ = 157423393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157423403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40975 + ... + 44651.

It is an arithmetic number, because the mean of its divisors is an integer number (9754056).

Almost surely, 2^157423401 is an apocalyptic number.

It is an amenable number.

157423401 is a deficient number, since it is larger than the sum of its proper divisors (76673943).

157423401 is a wasteful number, since it uses less digits than its factorization.

157423401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821 (or 3818 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 157423401 is about 12546.8482496602. The cubic root of 157423401 is about 539.9535865458.

The spelling of 157423401 in words is "one hundred fifty-seven million, four hundred twenty-three thousand, four hundred one".