45004223 has 4 divisors (see below), whose sum is σ = 49095528. Its totient is φ = 40912920.

The previous prime is 45004189. The next prime is 45004229. The reversal of 45004223 is 32240054.

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

It is a cyclic number.

It is not a de Polignac number, because 45004223 - 2¹⁶ = 44938687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45004195 and 45004204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45004229) 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, 2045636 + ... + 2045657.

It is an arithmetic number, because the mean of its divisors is an integer number (12273882).

Almost surely, 2^45004223 is an apocalyptic number.

45004223 is a deficient number, since it is larger than the sum of its proper divisors (4091305).

45004223 is a wasteful number, since it uses less digits than its factorization.

45004223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4091304.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 45004223 is about 6708.5186889506. The cubic root of 45004223 is about 355.7004565902.

Adding to 45004223 its reverse (32240054), we get a palindrome (77244277).

The spelling of 45004223 in words is "forty-five million, four thousand, two hundred twenty-three".