156352401 has 12 divisors (see below), whose sum is σ = 226071300. Its totient is φ = 104129280.

The previous prime is 156352397. The next prime is 156352423. The reversal of 156352401 is 104253651.

156352401 is a `hidden beast` number, since 1 + 5 + 635 + 24 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 70308225 + 86044176 = 8385^2 + 9276^2 .

It is not a de Polignac number, because 156352401 - 2² = 156352397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (156352901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1161 + ... + 17721.

It is an arithmetic number, because the mean of its divisors is an integer number (18839275).

Almost surely, 2^156352401 is an apocalyptic number.

It is an amenable number.

156352401 is a deficient number, since it is larger than the sum of its proper divisors (69718899).

156352401 is a wasteful number, since it uses less digits than its factorization.

156352401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17616 (or 17613 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 156352401 is about 12504.0953691181. The cubic root of 156352401 is about 538.7263088223.

The spelling of 156352401 in words is "one hundred fifty-six million, three hundred fifty-two thousand, four hundred one".