45685090 has 16 divisors (see below), whose sum is σ = 89709120. Its totient is φ = 16612720.

The previous prime is 45685037. The next prime is 45685093. The reversal of 45685090 is 9058654.

It is not an unprimeable number, because it can be changed into a prime (45685093) 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, 207550 + ... + 207769.

It is an arithmetic number, because the mean of its divisors is an integer number (5606820).

Almost surely, 2^45685090 is an apocalyptic number.

45685090 is a deficient number, since it is larger than the sum of its proper divisors (44024030).

45685090 is a wasteful number, since it uses less digits than its factorization.

45685090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415337.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 45685090 is about 6759.0746408070. The cubic root of 45685090 is about 357.4852782175.

The spelling of 45685090 in words is "forty-five million, six hundred eighty-five thousand, ninety".