156304401 has 8 divisors (see below), whose sum is σ = 227351904. Its totient is φ = 94729920.

The previous prime is 156304363. The next prime is 156304417. The reversal of 156304401 is 104403651.

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

It is not a de Polignac number, because 156304401 - 2¹⁹ = 155780113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (156304451) 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, 2368216 + ... + 2368281.

It is an arithmetic number, because the mean of its divisors is an integer number (28418988).

Almost surely, 2^156304401 is an apocalyptic number.

156304401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

156304401 is a deficient number, since it is larger than the sum of its proper divisors (71047503).

156304401 is a wasteful number, since it uses less digits than its factorization.

156304401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4736511.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 156304401 is about 12502.1758506270. The cubic root of 156304401 is about 538.6711737358.

The spelling of 156304401 in words is "one hundred fifty-six million, three hundred four thousand, four hundred one".