45466021 has 2 divisors, whose sum is σ = 45466022. Its totient is φ = 45466020.

The previous prime is 45466013. The next prime is 45466027. The reversal of 45466021 is 12066454.

45466021 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 can be written as a sum of positive squares in only one way, i.e., 33292900 + 12173121 = 5770^2 + 3489^2 .

It is a cyclic number.

It is not a de Polignac number, because 45466021 - 2³ = 45466013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45466027) 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, 22733010 + 22733011.

It is an arithmetic number, because the mean of its divisors is an integer number (22733011).

Almost surely, 2^45466021 is an apocalyptic number.

It is an amenable number.

45466021 is a deficient number, since it is larger than the sum of its proper divisors (1).

45466021 is an equidigital number, since it uses as much as digits as its factorization.

45466021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 45466021 is about 6742.8496201532. The cubic root of 45466021 is about 356.9129583507.

The spelling of 45466021 in words is "forty-five million, four hundred sixty-six thousand, twenty-one".