45154023169 has 2 divisors, whose sum is σ = 45154023170. Its totient is φ = 45154023168.

The previous prime is 45154023143. The next prime is 45154023247. The reversal of 45154023169 is 96132045154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45151150144 + 2873025 = 212488^2 + 1695^2 .

It is a cyclic number.

It is not a de Polignac number, because 45154023169 - 2⁹ = 45154022657 is a prime.

It is a super-2 number, since 2×45154023169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45154023569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22577011584 + 22577011585.

It is an arithmetic number, because the mean of its divisors is an integer number (22577011585).

Almost surely, 2^45154023169 is an apocalyptic number.

It is an amenable number.

45154023169 is a deficient number, since it is larger than the sum of its proper divisors (1).

45154023169 is an equidigital number, since it uses as much as digits as its factorization.

45154023169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 45154023169 in words is "forty-five billion, one hundred fifty-four million, twenty-three thousand, one hundred sixty-nine".