45516985 has 4 divisors (see below), whose sum is σ = 54620388. Its totient is φ = 36413584.

The previous prime is 45516971. The next prime is 45516997. The reversal of 45516985 is 58961554.

45516985 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, and also an emirpimes, since its reverse is a distinct semiprime: 58961554 = 2 ⋅29480777.

It can be written as a sum of positive squares in 2 ways, for example, as 13220496 + 32296489 = 3636^2 + 5683^2 .

It is a cyclic number.

It is not a de Polignac number, because 45516985 - 2⁵ = 45516953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 4551694 + ... + 4551703.

It is an arithmetic number, because the mean of its divisors is an integer number (13655097).

Almost surely, 2^45516985 is an apocalyptic number.

It is an amenable number.

45516985 is a deficient number, since it is larger than the sum of its proper divisors (9103403).

45516985 is an equidigital number, since it uses as much as digits as its factorization.

45516985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9103402.

The product of its digits is 216000, while the sum is 43.

The square root of 45516985 is about 6746.6276761060. The cubic root of 45516985 is about 357.0462661074.

The spelling of 45516985 in words is "forty-five million, five hundred sixteen thousand, nine hundred eighty-five".