156456152183609 has 2 divisors, whose sum is σ = 156456152183610. Its totient is φ = 156456152183608.

The previous prime is 156456152183579. The next prime is 156456152183687. The reversal of 156456152183609 is 906381251654651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156453741373609 + 2410810000 = 12508147^2 + 49100^2 .

It is a cyclic number.

It is not a de Polignac number, because 156456152183609 - 2⁴⁴ = 138863966139193 is a prime.

It is a super-2 number, since 2×156456152183609² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (156456152183909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78228076091804 + 78228076091805.

It is an arithmetic number, because the mean of its divisors is an integer number (78228076091805).

Almost surely, 2^{156456152183609} is an apocalyptic number.

It is an amenable number.

156456152183609 is a deficient number, since it is larger than the sum of its proper divisors (1).

156456152183609 is an equidigital number, since it uses as much as digits as its factorization.

156456152183609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656000, while the sum is 62.

The spelling of 156456152183609 in words is "one hundred fifty-six trillion, four hundred fifty-six billion, one hundred fifty-two million, one hundred eighty-three thousand, six hundred nine".