45685493 has 6 divisors (see below), whose sum is σ = 53144406. Its totient is φ = 39158952.

The previous prime is 45685489. The next prime is 45685499. The reversal of 45685493 is 39458654.

It can be written as a sum of positive squares in only one way, i.e., 45252529 + 432964 = 6727^2 + 658^2 .

It is not a de Polignac number, because 45685493 - 2² = 45685489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45685499) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 466130 + ... + 466227.

It is an arithmetic number, because the mean of its divisors is an integer number (8857401).

Almost surely, 2^45685493 is an apocalyptic number.

It is an amenable number.

45685493 is a deficient number, since it is larger than the sum of its proper divisors (7458913).

45685493 is an equidigital number, since it uses as much as digits as its factorization.

45685493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932371 (or 932364 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The square root of 45685493 is about 6759.1044525144. The cubic root of 45685493 is about 357.4863293711.

The spelling of 45685493 in words is "forty-five million, six hundred eighty-five thousand, four hundred ninety-three".