156102401 has 8 divisors (see below), whose sum is σ = 192126144. Its totient is φ = 123509520.

The previous prime is 156102379. The next prime is 156102409. The reversal of 156102401 is 104201651.

156102401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-156102401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (156102409) 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, 857615 + ... + 857796.

It is an arithmetic number, because the mean of its divisors is an integer number (24015768).

Almost surely, 2^156102401 is an apocalyptic number.

It is an amenable number.

156102401 is a deficient number, since it is larger than the sum of its proper divisors (36023743).

156102401 is a wasteful number, since it uses less digits than its factorization.

156102401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715431.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 156102401 is about 12494.0946450713. The cubic root of 156102401 is about 538.4390231281.

The spelling of 156102401 in words is "one hundred fifty-six million, one hundred two thousand, four hundred one".