45025 has 6 divisors (see below), whose sum is σ = 55862. Its totient is φ = 36000.

The previous prime is 45013. The next prime is 45053. The reversal of 45025 is 52054.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 81 + 44944 = 9^2 + 212^2 .

It is not a de Polignac number, because 45025 - 2¹³ = 36833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 876 + ... + 925.

2⁴⁵⁰²⁵ is an apocalyptic number.

It is an amenable number.

45025 is a deficient number, since it is larger than the sum of its proper divisors (10837).

45025 is a wasteful number, since it uses less digits than its factorization.

45025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811 (or 1806 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 45025 is about 212.1909517392. The cubic root of 45025 is about 35.5755186649.

Adding to 45025 its reverse (52054), we get a palindrome (97079).

It can be divided in two parts, 4 and 5025, that multiplied together give a triangular number (20100 = T₂₀₀).

The spelling of 45025 in words is "forty-five thousand, twenty-five".