45404657 has 2 divisors, whose sum is σ = 45404658. Its totient is φ = 45404656.

The previous prime is 45404609. The next prime is 45404663. The reversal of 45404657 is 75640454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44943616 + 461041 = 6704^2 + 679^2 .

It is a cyclic number.

It is not a de Polignac number, because 45404657 - 2¹⁶ = 45339121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45404257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22702328 + 22702329.

It is an arithmetic number, because the mean of its divisors is an integer number (22702329).

Almost surely, 2^45404657 is an apocalyptic number.

It is an amenable number.

45404657 is a deficient number, since it is larger than the sum of its proper divisors (1).

45404657 is an equidigital number, since it uses as much as digits as its factorization.

45404657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 45404657 is about 6738.2977820812. The cubic root of 45404657 is about 356.7523148123.

The spelling of 45404657 in words is "forty-five million, four hundred four thousand, six hundred fifty-seven".