85324143 has 8 divisors (see below), whose sum is σ = 114464128. Its totient is φ = 56533464.

The previous prime is 85324133. The next prime is 85324147. The reversal of 85324143 is 34142358.

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

It is not a de Polignac number, because 85324143 - 2⁹ = 85323631 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 85324143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85324147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86755 + ... + 87732.

It is an arithmetic number, because the mean of its divisors is an integer number (14308016).

Almost surely, 2^85324143 is an apocalyptic number.

85324143 is a deficient number, since it is larger than the sum of its proper divisors (29139985).

85324143 is a wasteful number, since it uses less digits than its factorization.

85324143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174653.

The product of its digits is 11520, while the sum is 30.

The square root of 85324143 is about 9237.1068522563. The cubic root of 85324143 is about 440.2411608414.

The spelling of 85324143 in words is "eighty-five million, three hundred twenty-four thousand, one hundred forty-three".