85443 has 8 divisors (see below), whose sum is σ = 120000. Its totient is φ = 53928.

The previous prime is 85439. The next prime is 85447. The reversal of 85443 is 34458.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85439) and next prime (85447).

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

It is not a de Polignac number, because 85443 - 2² = 85439 is a prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85447) 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, 693 + ... + 806.

It is an arithmetic number, because the mean of its divisors is an integer number (15000).

2⁸⁵⁴⁴³ is an apocalyptic number.

85443 is a deficient number, since it is larger than the sum of its proper divisors (34557).

85443 is a wasteful number, since it uses less digits than its factorization.

85443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521.

The product of its digits is 1920, while the sum is 24.

The square root of 85443 is about 292.3063461507. The cubic root of 85443 is about 44.0445485448.

It can be divided in two parts, 85 and 443, that added together give a triangular number (528 = T₃₂).

The spelling of 85443 in words is "eighty-five thousand, four hundred forty-three".