45432025 has 6 divisors (see below), whose sum is σ = 56335742. Its totient is φ = 36345600.

The previous prime is 45432017. The next prime is 45432029. The reversal of 45432025 is 52023454.

It can be written as a sum of positive squares in 3 ways, for example, as 1713481 + 43718544 = 1309^2 + 6612^2 .

It is not a de Polignac number, because 45432025 - 2³ = 45432017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 1817281 = 45432025 / (4 + 5 + 4 + 3 + 2 + 0 + 2 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45432029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 908616 + ... + 908665.

Almost surely, 2^45432025 is an apocalyptic number.

It is an amenable number.

45432025 is a deficient number, since it is larger than the sum of its proper divisors (10903717).

45432025 is a wasteful number, since it uses less digits than its factorization.

45432025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817291 (or 1817286 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 45432025 is about 6740.3282561015. The cubic root of 45432025 is about 356.8239787998.

Adding to 45432025 its reverse (52023454), we get a palindrome (97455479).

The spelling of 45432025 in words is "forty-five million, four hundred thirty-two thousand, twenty-five".