45457169 has 2 divisors, whose sum is σ = 45457170. Its totient is φ = 45457168.

The previous prime is 45457163. The next prime is 45457189. The reversal of 45457169 is 96175454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34810000 + 10647169 = 5900^2 + 3263^2 .

It is a cyclic number.

It is not a de Polignac number, because 45457169 - 2⁸ = 45456913 is a prime.

It is a super-2 number, since 2×45457169² = 4132708426989122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45457163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22728584 + 22728585.

It is an arithmetic number, because the mean of its divisors is an integer number (22728585).

Almost surely, 2^45457169 is an apocalyptic number.

It is an amenable number.

45457169 is a deficient number, since it is larger than the sum of its proper divisors (1).

45457169 is an equidigital number, since it uses as much as digits as its factorization.

45457169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 45457169 is about 6742.1931891633. The cubic root of 45457169 is about 356.8897938093.

The spelling of 45457169 in words is "forty-five million, four hundred fifty-seven thousand, one hundred sixty-nine".