157736401 has 8 divisors (see below), whose sum is σ = 163358208. Its totient is φ = 152148000.

The previous prime is 157736357. The next prime is 157736417. The reversal of 157736401 is 104637751.

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

It is not a de Polignac number, because 157736401 - 2²⁵ = 124181969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157736431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461 + ... + 17821.

It is an arithmetic number, because the mean of its divisors is an integer number (20419776).

Almost surely, 2^157736401 is an apocalyptic number.

It is an amenable number.

157736401 is a deficient number, since it is larger than the sum of its proper divisors (5621807).

157736401 is a wasteful number, since it uses less digits than its factorization.

157736401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16703.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 157736401 is about 12559.3153077706. The cubic root of 157736401 is about 540.3112072165.

The spelling of 157736401 in words is "one hundred fifty-seven million, seven hundred thirty-six thousand, four hundred one".