85244245 has 8 divisors (see below), whose sum is σ = 102342816. Its totient is φ = 68162256.

The previous prime is 85244221. The next prime is 85244261. The reversal of 85244245 is 54244258.

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 85244245 - 2⁹ = 85243733 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85244245.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 16774 + ... + 21256.

It is an arithmetic number, because the mean of its divisors is an integer number (12792852).

Almost surely, 2^85244245 is an apocalyptic number.

It is an amenable number.

85244245 is a deficient number, since it is larger than the sum of its proper divisors (17098571).

85244245 is a wasteful number, since it uses less digits than its factorization.

85244245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8291.

The product of its digits is 51200, while the sum is 34.

The square root of 85244245 is about 9232.7810003270. The cubic root of 85244245 is about 440.1037031735.

It can be divided in two parts, 8524 and 4245, that added together give a square (12769 = 113²).

The spelling of 85244245 in words is "eighty-five million, two hundred forty-four thousand, two hundred forty-five".