45439117 has 2 divisors, whose sum is σ = 45439118. Its totient is φ = 45439116.

The previous prime is 45439109. The next prime is 45439133. The reversal of 45439117 is 71193454.

45439117 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., 36312676 + 9126441 = 6026^2 + 3021^2 .

It is a cyclic number.

It is not a de Polignac number, because 45439117 - 2³ = 45439109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45439417) 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, 22719558 + 22719559.

It is an arithmetic number, because the mean of its divisors is an integer number (22719559).

Almost surely, 2^45439117 is an apocalyptic number.

It is an amenable number.

45439117 is a deficient number, since it is larger than the sum of its proper divisors (1).

45439117 is an equidigital number, since it uses as much as digits as its factorization.

45439117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 34.

The square root of 45439117 is about 6740.8543227101. The cubic root of 45439117 is about 356.8425447342.

The spelling of 45439117 in words is "forty-five million, four hundred thirty-nine thousand, one hundred seventeen".