85184845 has 8 divisors (see below), whose sum is σ = 102346776. Its totient is φ = 68064576.

The previous prime is 85184843. The next prime is 85184851. The reversal of 85184845 is 54848158.

It can be written as a sum of positive squares in 4 ways, for example, as 10404 + 85174441 = 102^2 + 9229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85184845 - 2¹ = 85184843 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85184843) 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 7 ways as a sum of consecutive naturals, for example, 5722 + ... + 14251.

It is an arithmetic number, because the mean of its divisors is an integer number (12793347).

Almost surely, 2^85184845 is an apocalyptic number.

It is an amenable number.

85184845 is a deficient number, since it is larger than the sum of its proper divisors (17161931).

85184845 is a wasteful number, since it uses less digits than its factorization.

85184845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20831.

The product of its digits is 204800, while the sum is 43.

The square root of 85184845 is about 9229.5636408229. The cubic root of 85184845 is about 440.0014548850.

The spelling of 85184845 in words is "eighty-five million, one hundred eighty-four thousand, eight hundred forty-five".