156000869 has 2 divisors, whose sum is σ = 156000870. Its totient is φ = 156000868.

The previous prime is 156000841. The next prime is 156000877. The reversal of 156000869 is 968000651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151536100 + 4464769 = 12310^2 + 2113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-156000869 is a prime.

It is a super-2 number, since 2×156000869² = 48672542257510322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156000829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78000434 + 78000435.

It is an arithmetic number, because the mean of its divisors is an integer number (78000435).

Almost surely, 2^156000869 is an apocalyptic number.

It is an amenable number.

156000869 is a deficient number, since it is larger than the sum of its proper divisors (1).

156000869 is an equidigital number, since it uses as much as digits as its factorization.

156000869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 156000869 is about 12490.0307845898. The cubic root of 156000869 is about 538.3222607820.

The spelling of 156000869 in words is "one hundred fifty-six million, eight hundred sixty-nine", and thus it is an aban number.