45331223 has 16 divisors (see below), whose sum is σ = 53164800. Its totient is φ = 38635128.

The previous prime is 45331151. The next prime is 45331241. The reversal of 45331223 is 32213354.

It is not a de Polignac number, because 45331223 - 2¹⁰ = 45330199 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 (45331423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96836 + ... + 97302.

It is an arithmetic number, because the mean of its divisors is an integer number (3322800).

Almost surely, 2^45331223 is an apocalyptic number.

45331223 is a deficient number, since it is larger than the sum of its proper divisors (7833577).

45331223 is an equidigital number, since it uses as much as digits as its factorization.

45331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771 (or 757 counting only the distinct ones).

The product of its digits is 2160, while the sum is 23.

The square root of 45331223 is about 6732.8465748151. The cubic root of 45331223 is about 356.5598831153.

Adding to 45331223 its reverse (32213354), we get a palindrome (77544577).

It can be divided in two parts, 45331 and 223, that added together give a palindrome (45554).

The spelling of 45331223 in words is "forty-five million, three hundred thirty-one thousand, two hundred twenty-three".