45810493 has 4 divisors (see below), whose sum is σ = 46438108. Its totient is φ = 45182880.

The previous prime is 45810473. The next prime is 45810511. The reversal of 45810493 is 39401854.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24029604 + 21780889 = 4902^2 + 4667^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45810493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45810433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313698 + ... + 313843.

It is an arithmetic number, because the mean of its divisors is an integer number (11609527).

Almost surely, 2^45810493 is an apocalyptic number.

It is an amenable number.

45810493 is a deficient number, since it is larger than the sum of its proper divisors (627615).

45810493 is an equidigital number, since it uses as much as digits as its factorization.

45810493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627614.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 45810493 is about 6768.3449232438. The cubic root of 45810493 is about 357.8120717106.

The spelling of 45810493 in words is "forty-five million, eight hundred ten thousand, four hundred ninety-three".