45204544 has 56 divisors (see below), whose sum is σ = 111849408. Its totient is φ = 17610240.

The previous prime is 45204527. The next prime is 45204559. The reversal of 45204544 is 44540254.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 342 + ... + 9514.

Almost surely, 2^45204544 is an apocalyptic number.

45204544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45204544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55924704).

45204544 is an abundant number, since it is smaller than the sum of its proper divisors (66644864).

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

45204544 is a wasteful number, since it uses less digits than its factorization.

45204544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9203 (or 9193 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 45204544 is about 6723.4324567144. The cubic root of 45204544 is about 356.2274353616.

Adding to 45204544 its reverse (44540254), we get a palindrome (89744798).

The spelling of 45204544 in words is "forty-five million, two hundred four thousand, five hundred forty-four".