45365491 has 2 divisors, whose sum is σ = 45365492. Its totient is φ = 45365490.

The previous prime is 45365479. The next prime is 45365497. The reversal of 45365491 is 19456354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45365491 - 2⁵ = 45365459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45365491.

It is not a weakly prime, because it can be changed into another prime (45365497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22682745 + 22682746.

It is an arithmetic number, because the mean of its divisors is an integer number (22682746).

Almost surely, 2^45365491 is an apocalyptic number.

45365491 is a deficient number, since it is larger than the sum of its proper divisors (1).

45365491 is an equidigital number, since it uses as much as digits as its factorization.

45365491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 37.

The square root of 45365491 is about 6735.3909314902. The cubic root of 45365491 is about 356.6497072710.

The spelling of 45365491 in words is "forty-five million, three hundred sixty-five thousand, four hundred ninety-one".