45225344 has 32 divisors (see below), whose sum is σ = 90790200. Its totient is φ = 22438912.

The previous prime is 45225319. The next prime is 45225347. The reversal of 45225344 is 44352254.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45225347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16247 + ... + 18825.

Almost surely, 2^45225344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45225344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45395100).

45225344 is an abundant number, since it is smaller than the sum of its proper divisors (45564856).

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

45225344 is a wasteful number, since it uses less digits than its factorization.

45225344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730 (or 2718 counting only the distinct ones).

The product of its digits is 19200, while the sum is 29.

The square root of 45225344 is about 6724.9791077742. The cubic root of 45225344 is about 356.2820640474.

Adding to 45225344 its reverse (44352254), we get a palindrome (89577598).

The spelling of 45225344 in words is "forty-five million, two hundred twenty-five thousand, three hundred forty-four".