45990617 has 2 divisors, whose sum is σ = 45990618. Its totient is φ = 45990616.

The previous prime is 45990601. The next prime is 45990671. The reversal of 45990617 is 71609954.

Together with next prime (45990671) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40589641 + 5400976 = 6371^2 + 2324^2 .

It is a cyclic number.

It is not a de Polignac number, because 45990617 - 2⁴ = 45990601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45990817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22995308 + 22995309.

It is an arithmetic number, because the mean of its divisors is an integer number (22995309).

Almost surely, 2^45990617 is an apocalyptic number.

It is an amenable number.

45990617 is a deficient number, since it is larger than the sum of its proper divisors (1).

45990617 is an equidigital number, since it uses as much as digits as its factorization.

45990617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 45990617 is about 6781.6382239102. The cubic root of 45990617 is about 358.2804233158.

The spelling of 45990617 in words is "forty-five million, nine hundred ninety thousand, six hundred seventeen".