45018544 has 40 divisors (see below), whose sum is σ = 92351232. Its totient is φ = 21215040.

The previous prime is 45018517. The next prime is 45018551. The reversal of 45018544 is 44581054.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25267 + ... + 26989.

Almost surely, 2^45018544 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 45018544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46175616).

45018544 is an abundant number, since it is smaller than the sum of its proper divisors (47332688).

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

45018544 is a wasteful number, since it uses less digits than its factorization.

45018544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825 (or 1819 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 45018544 is about 6709.5859782851. The cubic root of 45018544 is about 355.7381822795.

Adding to 45018544 its reverse (44581054), we get a palindrome (89599598).

The spelling of 45018544 in words is "forty-five million, eighteen thousand, five hundred forty-four".