45439133 has 2 divisors, whose sum is σ = 45439134. Its totient is φ = 45439132.

The previous prime is 45439117. The next prime is 45439151. The reversal of 45439133 is 33193454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38663524 + 6775609 = 6218^2 + 2603^2 .

It is a cyclic number.

It is not a de Polignac number, because 45439133 - 2⁴ = 45439117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45439133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45439183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22719566 + 22719567.

It is an arithmetic number, because the mean of its divisors is an integer number (22719567).

Almost surely, 2^45439133 is an apocalyptic number.

It is an amenable number.

45439133 is a deficient number, since it is larger than the sum of its proper divisors (1).

45439133 is an equidigital number, since it uses as much as digits as its factorization.

45439133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 32.

The square root of 45439133 is about 6740.8555095032. The cubic root of 45439133 is about 356.8425866180.

The spelling of 45439133 in words is "forty-five million, four hundred thirty-nine thousand, one hundred thirty-three".