45809208 has 48 divisors (see below), whose sum is σ = 126715680. Its totient is φ = 14943744.

The previous prime is 45809201. The next prime is 45809213. The reversal of 45809208 is 80290854.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45809201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3385 + ... + 10152.

It is an arithmetic number, because the mean of its divisors is an integer number (2639910).

Almost surely, 2^45809208 is an apocalyptic number.

It is an amenable number.

45809208 is an abundant number, since it is smaller than the sum of its proper divisors (80906472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45809208 is a wasteful number, since it uses less digits than its factorization.

45809208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13596 (or 13589 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 45809208 is about 6768.2499953829. The cubic root of 45809208 is about 357.8087260956.

The spelling of 45809208 in words is "forty-five million, eight hundred nine thousand, two hundred eight".