45054025 has 12 divisors (see below), whose sum is σ = 56497500. Its totient is φ = 35636480.

The previous prime is 45054001. The next prime is 45054041. The reversal of 45054025 is 52045054.

It can be written as a sum of positive squares in 6 ways, for example, as 7268416 + 37785609 = 2696^2 + 6147^2 .

It is not a de Polignac number, because 45054025 - 2⁹ = 45053513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 7900 + ... + 12349.

It is an arithmetic number, because the mean of its divisors is an integer number (4708125).

Almost surely, 2^45054025 is an apocalyptic number.

It is an amenable number.

45054025 is a deficient number, since it is larger than the sum of its proper divisors (11443475).

45054025 is a wasteful number, since it uses less digits than its factorization.

45054025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20348 (or 20343 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 45054025 is about 6712.2295103788. The cubic root of 45054025 is about 355.8316151245.

Adding to 45054025 its reverse (52045054), we get a palindrome (97099079).

The spelling of 45054025 in words is "forty-five million, fifty-four thousand, twenty-five".