45531293 has 4 divisors (see below), whose sum is σ = 46390428. Its totient is φ = 44672160.

The previous prime is 45531263. The next prime is 45531301. The reversal of 45531293 is 39213554.

45531293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39213554 = 2 ⋅19606777.

It can be written as a sum of positive squares in 2 ways, for example, as 31114084 + 14417209 = 5578^2 + 3797^2 .

It is a cyclic number.

It is not a de Polignac number, because 45531293 - 2⁸ = 45531037 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 (45531263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429488 + ... + 429593.

It is an arithmetic number, because the mean of its divisors is an integer number (11597607).

Almost surely, 2^45531293 is an apocalyptic number.

It is an amenable number.

45531293 is a deficient number, since it is larger than the sum of its proper divisors (859135).

45531293 is an equidigital number, since it uses as much as digits as its factorization.

45531293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859134.

The product of its digits is 16200, while the sum is 32.

The square root of 45531293 is about 6747.6879744102. The cubic root of 45531293 is about 357.0836739950.

The spelling of 45531293 in words is "forty-five million, five hundred thirty-one thousand, two hundred ninety-three".