45352649 has 2 divisors, whose sum is σ = 45352650. Its totient is φ = 45352648.

The previous prime is 45352621. The next prime is 45352661. The reversal of 45352649 is 94625354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35940025 + 9412624 = 5995^2 + 3068^2 .

It is a cyclic number.

It is not a de Polignac number, because 45352649 - 2¹⁶ = 45287113 is a prime.

It is not a weakly prime, because it can be changed into another prime (45352609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22676324 + 22676325.

It is an arithmetic number, because the mean of its divisors is an integer number (22676325).

Almost surely, 2^45352649 is an apocalyptic number.

It is an amenable number.

45352649 is a deficient number, since it is larger than the sum of its proper divisors (1).

45352649 is an equidigital number, since it uses as much as digits as its factorization.

45352649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 38.

The square root of 45352649 is about 6734.4375414729. The cubic root of 45352649 is about 356.6160507942.

The spelling of 45352649 in words is "forty-five million, three hundred fifty-two thousand, six hundred forty-nine".