45249689 has 2 divisors, whose sum is σ = 45249690. Its totient is φ = 45249688.

The previous prime is 45249667. The next prime is 45249727. The reversal of 45249689 is 98694254.

45249689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22848400 + 22401289 = 4780^2 + 4733^2 .

It is a cyclic number.

It is not a de Polignac number, because 45249689 - 2²⁴ = 28472473 is a prime.

It is not a weakly prime, because it can be changed into another prime (45249629) 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, 22624844 + 22624845.

It is an arithmetic number, because the mean of its divisors is an integer number (22624845).

Almost surely, 2^45249689 is an apocalyptic number.

It is an amenable number.

45249689 is a deficient number, since it is larger than the sum of its proper divisors (1).

45249689 is an equidigital number, since it uses as much as digits as its factorization.

45249689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 47.

The square root of 45249689 is about 6726.7889070492. The cubic root of 45249689 is about 356.3459819762.

The spelling of 45249689 in words is "forty-five million, two hundred forty-nine thousand, six hundred eighty-nine".