45285917 has 2 divisors, whose sum is σ = 45285918. Its totient is φ = 45285916.

The previous prime is 45285913. The next prime is 45285953. The reversal of 45285917 is 71958254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34975396 + 10310521 = 5914^2 + 3211^2 .

It is a cyclic number.

It is not a de Polignac number, because 45285917 - 2² = 45285913 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45285913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22642958 + 22642959.

It is an arithmetic number, because the mean of its divisors is an integer number (22642959).

Almost surely, 2^45285917 is an apocalyptic number.

It is an amenable number.

45285917 is a deficient number, since it is larger than the sum of its proper divisors (1).

45285917 is an equidigital number, since it uses as much as digits as its factorization.

45285917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 41.

The square root of 45285917 is about 6729.4811835683. The cubic root of 45285917 is about 356.4410563571.

The spelling of 45285917 in words is "forty-five million, two hundred eighty-five thousand, nine hundred seventeen".