45066649 has 2 divisors, whose sum is σ = 45066650. Its totient is φ = 45066648.

The previous prime is 45066601. The next prime is 45066661. The reversal of 45066649 is 94666054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44796249 + 270400 = 6693^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 45066649 - 2⁷ = 45066521 is a prime.

It is not a weakly prime, because it can be changed into another prime (45066449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22533324 + 22533325.

It is an arithmetic number, because the mean of its divisors is an integer number (22533325).

Almost surely, 2^45066649 is an apocalyptic number.

It is an amenable number.

45066649 is a deficient number, since it is larger than the sum of its proper divisors (1).

45066649 is an equidigital number, since it uses as much as digits as its factorization.

45066649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 45066649 is about 6713.1698176048. The cubic root of 45066649 is about 355.8648463310.

The spelling of 45066649 in words is "forty-five million, sixty-six thousand, six hundred forty-nine".