45807649 has 2 divisors, whose sum is σ = 45807650. Its totient is φ = 45807648.

The previous prime is 45807647. The next prime is 45807653. The reversal of 45807649 is 94670854.

45807649 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., 36687249 + 9120400 = 6057^2 + 3020^2 .

It is a cyclic number.

It is not a de Polignac number, because 45807649 - 2¹ = 45807647 is a prime.

Together with 45807647, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45807647) 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, 22903824 + 22903825.

It is an arithmetic number, because the mean of its divisors is an integer number (22903825).

Almost surely, 2^45807649 is an apocalyptic number.

It is an amenable number.

45807649 is a deficient number, since it is larger than the sum of its proper divisors (1).

45807649 is an equidigital number, since it uses as much as digits as its factorization.

45807649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 45807649 is about 6768.1348243072. The cubic root of 45807649 is about 357.8046670126.

The spelling of 45807649 in words is "forty-five million, eight hundred seven thousand, six hundred forty-nine".