156000861 has 12 divisors (see below), whose sum is σ = 230575488. Its totient is φ = 101581704.

The previous prime is 156000841. The next prime is 156000869. The reversal of 156000861 is 168000651.

It is not a de Polignac number, because 156000861 - 2⁵ = 156000829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156000869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201165 + ... + 201938.

It is an arithmetic number, because the mean of its divisors is an integer number (19214624).

Almost surely, 2^156000861 is an apocalyptic number.

It is an amenable number.

156000861 is a deficient number, since it is larger than the sum of its proper divisors (74574627).

156000861 is a wasteful number, since it uses less digits than its factorization.

156000861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403152 (or 403149 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 156000861 is about 12490.0304643343. The cubic root of 156000861 is about 538.3222515800.

The spelling of 156000861 in words is "one hundred fifty-six million, eight hundred sixty-one", and thus it is an aban number.