45011223 has 24 divisors (see below), whose sum is σ = 69498000. Its totient is φ = 27972864.

The previous prime is 45011221. The next prime is 45011227. The reversal of 45011223 is 32211054.

It is not a de Polignac number, because 45011223 - 2¹ = 45011221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45011196 and 45011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45011221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15328 + ... + 18026.

It is an arithmetic number, because the mean of its divisors is an integer number (2895750).

Almost surely, 2^45011223 is an apocalyptic number.

45011223 is a deficient number, since it is larger than the sum of its proper divisors (24486777).

45011223 is a wasteful number, since it uses less digits than its factorization.

45011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831 (or 2828 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 45011223 is about 6709.0403933797. The cubic root of 45011223 is about 355.7188976308.

Adding to 45011223 its reverse (32211054), we get a palindrome (77222277).

The spelling of 45011223 in words is "forty-five million, eleven thousand, two hundred twenty-three".