45043544 has 48 divisors (see below), whose sum is σ = 105814800. Its totient is φ = 17817408.

The previous prime is 45043529. The next prime is 45043553. The reversal of 45043544 is 44534054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 677 + ... + 9515.

It is an arithmetic number, because the mean of its divisors is an integer number (2204475).

Almost surely, 2^45043544 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 45043544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52907400).

45043544 is an abundant number, since it is smaller than the sum of its proper divisors (60771256).

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

45043544 is a wasteful number, since it uses less digits than its factorization.

45043544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8872 (or 8861 counting only the distinct ones).

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

The square root of 45043544 is about 6711.4487258713. The cubic root of 45043544 is about 355.8040203988.

Adding to 45043544 its reverse (44534054), we get a palindrome (89577598).

The spelling of 45043544 in words is "forty-five million, forty-three thousand, five hundred forty-four".