45723224 has 8 divisors (see below), whose sum is σ = 85731060. Its totient is φ = 22861608.

The previous prime is 45723199. The next prime is 45723229. The reversal of 45723224 is 42232754.

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

It is a super-2 number, since 2×45723224² = 4181226425908352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45723229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2857694 + ... + 2857709.

Almost surely, 2^45723224 is an apocalyptic number.

It is an amenable number.

45723224 is a deficient number, since it is larger than the sum of its proper divisors (40007836).

45723224 is a wasteful number, since it uses less digits than its factorization.

45723224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715409 (or 5715405 counting only the distinct ones).

The product of its digits is 13440, while the sum is 29.

The square root of 45723224 is about 6761.8950006636. The cubic root of 45723224 is about 357.5847165851.

Adding to 45723224 its reverse (42232754), we get a palindrome (87955978).

The spelling of 45723224 in words is "forty-five million, seven hundred twenty-three thousand, two hundred twenty-four".