45289913 has 2 divisors, whose sum is σ = 45289914. Its totient is φ = 45289912.

The previous prime is 45289903. The next prime is 45289957. The reversal of 45289913 is 31998254.

45289913 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., 33269824 + 12020089 = 5768^2 + 3467^2 .

It is a cyclic number.

It is not a de Polignac number, because 45289913 - 2⁴ = 45289897 is a prime.

It is not a weakly prime, because it can be changed into another prime (45289903) 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, 22644956 + 22644957.

It is an arithmetic number, because the mean of its divisors is an integer number (22644957).

Almost surely, 2^45289913 is an apocalyptic number.

It is an amenable number.

45289913 is a deficient number, since it is larger than the sum of its proper divisors (1).

45289913 is an equidigital number, since it uses as much as digits as its factorization.

45289913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 41.

The square root of 45289913 is about 6729.7780795506. The cubic root of 45289913 is about 356.4515400914.

It can be divided in two parts, 4528 and 9913, that added together give a palindrome (14441).

The spelling of 45289913 in words is "forty-five million, two hundred eighty-nine thousand, nine hundred thirteen".