156260401 has 8 divisors (see below), whose sum is σ = 170725824. Its totient is φ = 141838320.

The previous prime is 156260393. The next prime is 156260417. The reversal of 156260401 is 104062651.

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

It is a cyclic number.

It is not a de Polignac number, because 156260401 - 2³ = 156260393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156260441) 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, 3045 + ... + 17938.

It is an arithmetic number, because the mean of its divisors is an integer number (21340728).

Almost surely, 2^156260401 is an apocalyptic number.

156260401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

156260401 is a deficient number, since it is larger than the sum of its proper divisors (14465423).

156260401 is a wasteful number, since it uses less digits than its factorization.

156260401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21671.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 156260401 is about 12500.4160330767. The cubic root of 156260401 is about 538.6206233229.

The spelling of 156260401 in words is "one hundred fifty-six million, two hundred sixty thousand, four hundred one".