45075439 has 2 divisors, whose sum is σ = 45075440. Its totient is φ = 45075438.

The previous prime is 45075421. The next prime is 45075473. The reversal of 45075439 is 93457054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45075439 - 2²⁵ = 11521007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45075398 and 45075407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45075409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22537719 + 22537720.

It is an arithmetic number, because the mean of its divisors is an integer number (22537720).

Almost surely, 2^45075439 is an apocalyptic number.

45075439 is a deficient number, since it is larger than the sum of its proper divisors (1).

45075439 is an equidigital number, since it uses as much as digits as its factorization.

45075439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 45075439 is about 6713.8244689596. The cubic root of 45075439 is about 355.8879813153.

The spelling of 45075439 in words is "forty-five million, seventy-five thousand, four hundred thirty-nine".