45612439 has 6 divisors (see below), whose sum is σ = 47122656. Its totient is φ = 44104680.

The previous prime is 45612421. The next prime is 45612443. The reversal of 45612439 is 93421654.

It is a happy number.

It is not a de Polignac number, because 45612439 - 2⁹ = 45611927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45612499) 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 in 5 ways as a sum of consecutive naturals, for example, 36997 + ... + 38209.

It is an arithmetic number, because the mean of its divisors is an integer number (7853776).

Almost surely, 2^45612439 is an apocalyptic number.

45612439 is a deficient number, since it is larger than the sum of its proper divisors (1510217).

45612439 is an frugal number, since it uses more digits than its factorization.

45612439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457 (or 1244 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 45612439 is about 6753.6981721128. The cubic root of 45612439 is about 357.2956799458.

The spelling of 45612439 in words is "forty-five million, six hundred twelve thousand, four hundred thirty-nine".