45525385 has 4 divisors (see below), whose sum is σ = 54630468. Its totient is φ = 36420304.

The previous prime is 45525383. The next prime is 45525421. The reversal of 45525385 is 58352554.

It is a happy number.

45525385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19474569 + 26050816 = 4413^2 + 5104^2 .

It is a cyclic number.

It is not a de Polignac number, because 45525385 - 2¹ = 45525383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45525383) 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 3 ways as a sum of consecutive naturals, for example, 4552534 + ... + 4552543.

It is an arithmetic number, because the mean of its divisors is an integer number (13657617).

Almost surely, 2^45525385 is an apocalyptic number.

It is an amenable number.

45525385 is a deficient number, since it is larger than the sum of its proper divisors (9105083).

45525385 is an equidigital number, since it uses as much as digits as its factorization.

45525385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9105082.

The product of its digits is 120000, while the sum is 37.

The square root of 45525385 is about 6747.2501806291. The cubic root of 45525385 is about 357.0682286353.

The spelling of 45525385 in words is "forty-five million, five hundred twenty-five thousand, three hundred eighty-five".