45489223 has 6 divisors (see below), whose sum is σ = 49257744. Its totient is φ = 41989896.

The previous prime is 45489149. The next prime is 45489233. The reversal of 45489223 is 32298454.

It is a happy number.

45489223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45489223 - 2¹⁷ = 45358151 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 (45489233) 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 5 ways as a sum of consecutive naturals, for example, 134415 + ... + 134752.

It is an arithmetic number, because the mean of its divisors is an integer number (8209624).

Almost surely, 2^45489223 is an apocalyptic number.

45489223 is a deficient number, since it is larger than the sum of its proper divisors (3768521).

45489223 is a wasteful number, since it uses less digits than its factorization.

45489223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269193 (or 269180 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 45489223 is about 6744.5698899189. The cubic root of 45489223 is about 356.9736607244.

The spelling of 45489223 in words is "forty-five million, four hundred eighty-nine thousand, two hundred twenty-three".