45665413 has 2 divisors, whose sum is σ = 45665414. Its totient is φ = 45665412.

The previous prime is 45665407. The next prime is 45665423. The reversal of 45665413 is 31456654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35438209 + 10227204 = 5953^2 + 3198^2 .

It is a cyclic number.

It is not a de Polignac number, because 45665413 - 2⁵ = 45665381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45665423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22832706 + 22832707.

It is an arithmetic number, because the mean of its divisors is an integer number (22832707).

Almost surely, 2^45665413 is an apocalyptic number.

It is an amenable number.

45665413 is a deficient number, since it is larger than the sum of its proper divisors (1).

45665413 is an equidigital number, since it uses as much as digits as its factorization.

45665413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 34.

The square root of 45665413 is about 6757.6188853767. The cubic root of 45665413 is about 357.4339467513.

The spelling of 45665413 in words is "forty-five million, six hundred sixty-five thousand, four hundred thirteen".