45565447 has 2 divisors, whose sum is σ = 45565448. Its totient is φ = 45565446.

The previous prime is 45565417. The next prime is 45565469. The reversal of 45565447 is 74456554.

It is a happy number.

45565447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45565447 - 2¹⁹ = 45041159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45565417) 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, 22782723 + 22782724.

It is an arithmetic number, because the mean of its divisors is an integer number (22782724).

Almost surely, 2^45565447 is an apocalyptic number.

45565447 is a deficient number, since it is larger than the sum of its proper divisors (1).

45565447 is an equidigital number, since it uses as much as digits as its factorization.

45565447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336000, while the sum is 40.

The square root of 45565447 is about 6750.2182927665. The cubic root of 45565447 is about 357.1729370551.

The spelling of 45565447 in words is "forty-five million, five hundred sixty-five thousand, four hundred forty-seven".