45044025 has 24 divisors (see below), whose sum is σ = 80203200. Its totient is φ = 22175040.

The previous prime is 45043997. The next prime is 45044029. The reversal of 45044025 is 52044054.

It is not a de Polignac number, because 45044025 - 2¹⁰ = 45043001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45043986 and 45044004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45044029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22125 + ... + 24074.

It is an arithmetic number, because the mean of its divisors is an integer number (3341800).

Almost surely, 2^45044025 is an apocalyptic number.

It is an amenable number.

45044025 is a deficient number, since it is larger than the sum of its proper divisors (35159175).

45044025 is a wasteful number, since it uses less digits than its factorization.

45044025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46225 (or 46220 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 45044025 is about 6711.4845600657. The cubic root of 45044025 is about 355.8052868853.

Adding to 45044025 its reverse (52044054), we get a palindrome (97088079).

The spelling of 45044025 in words is "forty-five million, forty-four thousand, twenty-five".