45528225 has 12 divisors (see below), whose sum is σ = 75273456. Its totient is φ = 24281680.

The previous prime is 45528221. The next prime is 45528229. The reversal of 45528225 is 52282554.

It is a happy number.

45528225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45528221) and next prime (45528229).

It is not a de Polignac number, because 45528225 - 2² = 45528221 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45528221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303447 + ... + 303596.

It is an arithmetic number, because the mean of its divisors is an integer number (6272788).

Almost surely, 2^45528225 is an apocalyptic number.

It is an amenable number.

45528225 is a deficient number, since it is larger than the sum of its proper divisors (29745231).

45528225 is a wasteful number, since it uses less digits than its factorization.

45528225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607056 (or 607051 counting only the distinct ones).

The product of its digits is 32000, while the sum is 33.

The square root of 45528225 is about 6747.4606334532. The cubic root of 45528225 is about 357.0756534503.

It can be divided in two parts, 45528 and 225, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 45528225 in words is "forty-five million, five hundred twenty-eight thousand, two hundred twenty-five".