45823609 has 16 divisors (see below), whose sum is σ = 50979600. Its totient is φ = 40919040.

The previous prime is 45823597. The next prime is 45823639. The reversal of 45823609 is 90632854.

It can be written as a sum of positive squares in 8 ways, for example, as 5221225 + 40602384 = 2285^2 + 6372^2 .

It is a cyclic number.

It is not a de Polignac number, because 45823609 - 2⁵ = 45823577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45823639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79129 + ... + 79705.

It is an arithmetic number, because the mean of its divisors is an integer number (3186225).

Almost surely, 2^45823609 is an apocalyptic number.

It is an amenable number.

45823609 is a deficient number, since it is larger than the sum of its proper divisors (5155991).

45823609 is a wasteful number, since it uses less digits than its factorization.

45823609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 45823609 is about 6769.3137761519. The cubic root of 45823609 is about 357.8462168376.

The spelling of 45823609 in words is "forty-five million, eight hundred twenty-three thousand, six hundred nine".