45490224 has 40 divisors (see below), whose sum is σ = 126557872. Its totient is φ = 13996800.

The previous prime is 45490223. The next prime is 45490229. The reversal of 45490224 is 42209454.

It is a junction number, because it is equal to n+sod(n) for n = 45490191 and 45490200.

It is not an unprimeable number, because it can be changed into a prime (45490223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35827 + ... + 37074.

Almost surely, 2^45490224 is an apocalyptic number.

It is an amenable number.

45490224 is an abundant number, since it is smaller than the sum of its proper divisors (81067648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45490224 is a wasteful number, since it uses less digits than its factorization.

45490224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72925 (or 72919 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 45490224 is about 6744.6440973561. The cubic root of 45490224 is about 356.9762791323.

Adding to 45490224 its reverse (42209454), we get a palindrome (87699678).

The spelling of 45490224 in words is "forty-five million, four hundred ninety thousand, two hundred twenty-four".