45504293 has 4 divisors (see below), whose sum is σ = 45518220. Its totient is φ = 45490368.

The previous prime is 45504271. The next prime is 45504313. The reversal of 45504293 is 39240554.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 39240554 = 2 ⋅19620277.

It can be written as a sum of positive squares in 2 ways, for example, as 39967684 + 5536609 = 6322^2 + 2353^2 .

It is a cyclic number.

It is not a de Polignac number, because 45504293 - 2⁶ = 45504229 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 (45504203) 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, 893 + ... + 9581.

It is an arithmetic number, because the mean of its divisors is an integer number (11379555).

Almost surely, 2^45504293 is an apocalyptic number.

It is an amenable number.

45504293 is a deficient number, since it is larger than the sum of its proper divisors (13927).

45504293 is an equidigital number, since it uses as much as digits as its factorization.

45504293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13926.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 45504293 is about 6745.6869924419. The cubic root of 45504293 is about 357.0130766473.

The spelling of 45504293 in words is "forty-five million, five hundred four thousand, two hundred ninety-three".