45686809 has 8 divisors (see below), whose sum is σ = 54483840. Its totient is φ = 37457376.

The previous prime is 45686807. The next prime is 45686813. The reversal of 45686809 is 90868654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45686809 - 2¹ = 45686807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45686801) 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, 141724 + ... + 142045.

It is an arithmetic number, because the mean of its divisors is an integer number (6810480).

Almost surely, 2^45686809 is an apocalyptic number.

It is an amenable number.

45686809 is a deficient number, since it is larger than the sum of its proper divisors (8797031).

45686809 is a wasteful number, since it uses less digits than its factorization.

45686809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283799.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 45686809 is about 6759.2018019882. The cubic root of 45686809 is about 357.4897618794.

The spelling of 45686809 in words is "forty-five million, six hundred eighty-six thousand, eight hundred nine".