45156236173 has 2 divisors, whose sum is σ = 45156236174. Its totient is φ = 45156236172.

The previous prime is 45156236137. The next prime is 45156236189. The reversal of 45156236173 is 37163265154.

45156236173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (45156236137) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44689114404 + 467121769 = 211398^2 + 21613^2 .

It is a cyclic number.

It is not a de Polignac number, because 45156236173 - 2²⁵ = 45122681741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45156236113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22578118086 + 22578118087.

It is an arithmetic number, because the mean of its divisors is an integer number (22578118087).

Almost surely, 2^45156236173 is an apocalyptic number.

It is an amenable number.

45156236173 is a deficient number, since it is larger than the sum of its proper divisors (1).

45156236173 is an equidigital number, since it uses as much as digits as its factorization.

45156236173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 43.

The spelling of 45156236173 in words is "forty-five billion, one hundred fifty-six million, two hundred thirty-six thousand, one hundred seventy-three".