45365561 has 2 divisors, whose sum is σ = 45365562. Its totient is φ = 45365560.

The previous prime is 45365533. The next prime is 45365609. The reversal of 45365561 is 16556354.

45365561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29365561 + 16000000 = 5419^2 + 4000^2 .

It is a cyclic number.

It is not a de Polignac number, because 45365561 - 2⁶ = 45365497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45365501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22682780 + 22682781.

It is an arithmetic number, because the mean of its divisors is an integer number (22682781).

Almost surely, 2^45365561 is an apocalyptic number.

It is an amenable number.

45365561 is a deficient number, since it is larger than the sum of its proper divisors (1).

45365561 is an equidigital number, since it uses as much as digits as its factorization.

45365561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 35.

The square root of 45365561 is about 6735.3961279200. The cubic root of 45365561 is about 356.6498907104.

The spelling of 45365561 in words is "forty-five million, three hundred sixty-five thousand, five hundred sixty-one".