45805249 has 8 divisors (see below), whose sum is σ = 53417600. Its totient is φ = 39261348.

The previous prime is 45805187. The next prime is 45805271. The reversal of 45805249 is 94250854.

It is not a de Polignac number, because 45805249 - 2¹⁵ = 45772481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45803249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66429 + ... + 67114.

It is an arithmetic number, because the mean of its divisors is an integer number (6677200).

Almost surely, 2^45805249 is an apocalyptic number.

45805249 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

45805249 is a deficient number, since it is larger than the sum of its proper divisors (7612351).

45805249 is an equidigital number, since it uses as much as digits as its factorization.

45805249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133564 (or 133550 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 45805249 is about 6767.9575205523. The cubic root of 45805249 is about 357.7984180839.

The spelling of 45805249 in words is "forty-five million, eight hundred five thousand, two hundred forty-nine".