45123224 has 8 divisors (see below), whose sum is σ = 84606060. Its totient is φ = 22561608.

The previous prime is 45123191. The next prime is 45123251. The reversal of 45123224 is 42232154.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×45123224² = 4072210688308352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45123224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2820194 + ... + 2820209.

Almost surely, 2^45123224 is an apocalyptic number.

It is an amenable number.

45123224 is a deficient number, since it is larger than the sum of its proper divisors (39482836).

45123224 is a wasteful number, since it uses less digits than its factorization.

45123224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640409 (or 5640405 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 45123224 is about 6717.3822282196. The cubic root of 45123224 is about 356.0136972384.

Adding to 45123224 its reverse (42232154), we get a palindrome (87355378).

The spelling of 45123224 in words is "forty-five million, one hundred twenty-three thousand, two hundred twenty-four".