45685619 has 8 divisors (see below), whose sum is σ = 52316160. Its totient is φ = 39081096.

The previous prime is 45685597. The next prime is 45685669. The reversal of 45685619 is 91658654.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45685619 is a prime.

It is a super-2 number, since 2×45685619² = 4174351566826322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45685619.

It is not an unprimeable number, because it can be changed into a prime (45685669) 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, 2579 + ... + 9900.

It is an arithmetic number, because the mean of its divisors is an integer number (6539520).

Almost surely, 2^45685619 is an apocalyptic number.

45685619 is a deficient number, since it is larger than the sum of its proper divisors (6630541).

45685619 is a wasteful number, since it uses less digits than its factorization.

45685619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13009.

The product of its digits is 259200, while the sum is 44.

The square root of 45685619 is about 6759.1137732694. The cubic root of 45685619 is about 357.4866580184.

The spelling of 45685619 in words is "forty-five million, six hundred eighty-five thousand, six hundred nineteen".