45596509 has 12 divisors (see below), whose sum is σ = 53716800. Its totient is φ = 38584728.

The previous prime is 45596503. The next prime is 45596513. The reversal of 45596509 is 90569554.

It is not a de Polignac number, because 45596509 - 2⁹ = 45595997 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 (45596503) 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 11 ways as a sum of consecutive naturals, for example, 2019 + ... + 9760.

It is an arithmetic number, because the mean of its divisors is an integer number (4476400).

Almost surely, 2^45596509 is an apocalyptic number.

45596509 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

45596509 is a deficient number, since it is larger than the sum of its proper divisors (8120291).

45596509 is a wasteful number, since it uses less digits than its factorization.

45596509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11872 (or 11865 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 43.

The square root of 45596509 is about 6752.5187152647. The cubic root of 45596509 is about 357.2540803073.

The spelling of 45596509 in words is "forty-five million, five hundred ninety-six thousand, five hundred nine".