45032265 has 24 divisors (see below), whose sum is σ = 78274248. Its totient is φ = 23950080.

The previous prime is 45032263. The next prime is 45032287. The reversal of 45032265 is 56223054.

45032265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 356409 + 44675856 = 597^2 + 6684^2 .

It is not a de Polignac number, because 45032265 - 2¹ = 45032263 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45032263) 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 23 ways as a sum of consecutive naturals, for example, 17757 + ... + 20133.

It is an arithmetic number, because the mean of its divisors is an integer number (3261427).

Almost surely, 2^45032265 is an apocalyptic number.

45032265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45032265 is a deficient number, since it is larger than the sum of its proper divisors (33241983).

45032265 is a wasteful number, since it uses less digits than its factorization.

45032265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809 (or 2806 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 45032265 is about 6710.6083926869. The cubic root of 45032265 is about 355.7743198897.

The spelling of 45032265 in words is "forty-five million, thirty-two thousand, two hundred sixty-five".