45085239 has 6 divisors (see below), whose sum is σ = 65123136. Its totient is φ = 30056820.

The previous prime is 45085237. The next prime is 45085247. The reversal of 45085239 is 93258054.

It is not a de Polignac number, because 45085239 - 2¹ = 45085237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45085237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2504727 + ... + 2504744.

It is an arithmetic number, because the mean of its divisors is an integer number (10853856).

Almost surely, 2^45085239 is an apocalyptic number.

45085239 is a deficient number, since it is larger than the sum of its proper divisors (20037897).

45085239 is a wasteful number, since it uses less digits than its factorization.

45085239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5009477 (or 5009474 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 45085239 is about 6714.5542666658. The cubic root of 45085239 is about 355.9137710401.

The spelling of 45085239 in words is "forty-five million, eighty-five thousand, two hundred thirty-nine".