156039157 has 2 divisors, whose sum is σ = 156039158. Its totient is φ = 156039156.

The previous prime is 156039139. The next prime is 156039173. The reversal of 156039157 is 751930651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87497316 + 68541841 = 9354^2 + 8279^2 .

It is a cyclic number.

It is not a de Polignac number, because 156039157 - 2²³ = 147650549 is a prime.

It is equal to p_8764714 and since 156039157 and 8764714 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156039757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78019578 + 78019579.

It is an arithmetic number, because the mean of its divisors is an integer number (78019579).

Almost surely, 2^156039157 is an apocalyptic number.

It is an amenable number.

156039157 is a deficient number, since it is larger than the sum of its proper divisors (1).

156039157 is an equidigital number, since it uses as much as digits as its factorization.

156039157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 156039157 is about 12491.5634329735. The cubic root of 156039157 is about 538.3662981365.

The spelling of 156039157 in words is "one hundred fifty-six million, thirty-nine thousand, one hundred fifty-seven".