45156436189 has 2 divisors, whose sum is σ = 45156436190. Its totient is φ = 45156436188.

The previous prime is 45156436187. The next prime is 45156436207. The reversal of 45156436189 is 98163465154.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44050873689 + 1105562500 = 209883^2 + 33250^2 .

It is a cyclic number.

It is not a de Polignac number, because 45156436189 - 2¹ = 45156436187 is a prime.

Together with 45156436187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45156436183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22578218094 + 22578218095.

It is an arithmetic number, because the mean of its divisors is an integer number (22578218095).

Almost surely, 2^45156436189 is an apocalyptic number.

It is an amenable number.

45156436189 is a deficient number, since it is larger than the sum of its proper divisors (1).

45156436189 is an equidigital number, since it uses as much as digits as its factorization.

45156436189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3110400, while the sum is 52.

The spelling of 45156436189 in words is "forty-five billion, one hundred fifty-six million, four hundred thirty-six thousand, one hundred eighty-nine".