156922145929 has 2 divisors, whose sum is σ = 156922145930. Its totient is φ = 156922145928.

The previous prime is 156922145879. The next prime is 156922145957. The reversal of 156922145929 is 929541229651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125397433225 + 31524712704 = 354115^2 + 177552^2 .

It is a cyclic number.

It is not a de Polignac number, because 156922145929 - 2⁷ = 156922145801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 156922145929.

It is not a weakly prime, because it can be changed into another prime (156922145959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78461072964 + 78461072965.

It is an arithmetic number, because the mean of its divisors is an integer number (78461072965).

Almost surely, 2^156922145929 is an apocalyptic number.

It is an amenable number.

156922145929 is a deficient number, since it is larger than the sum of its proper divisors (1).

156922145929 is an equidigital number, since it uses as much as digits as its factorization.

156922145929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3499200, while the sum is 55.

The spelling of 156922145929 in words is "one hundred fifty-six billion, nine hundred twenty-two million, one hundred forty-five thousand, nine hundred twenty-nine".