45020224 has 14 divisors (see below), whose sum is σ = 89337134. Its totient is φ = 22510080.

The previous prime is 45020207. The next prime is 45020243. The reversal of 45020224 is 42202054.

It can be written as a sum of positive squares in only one way, i.e., 34574400 + 10445824 = 5880^2 + 3232^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351657 + ... + 351784.

Almost surely, 2^45020224 is an apocalyptic number.

It is an amenable number.

45020224 is a deficient number, since it is larger than the sum of its proper divisors (44316910).

45020224 is an equidigital number, since it uses as much as digits as its factorization.

45020224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703453 (or 703443 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 45020224 is about 6709.7111711310. The cubic root of 45020224 is about 355.7426073650.

Adding to 45020224 its reverse (42202054), we get a palindrome (87222278).

The spelling of 45020224 in words is "forty-five million, twenty thousand, two hundred twenty-four".