85042 has 8 divisors (see below), whose sum is σ = 129132. Its totient is φ = 42000.

The previous prime is 85037. The next prime is 85049. The reversal of 85042 is 24058.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 84681 + 361 = 291^2 + 19^2 .

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

It is not an unprimeable number, because it can be changed into a prime (85049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9 + ... + 412.

2⁸⁵⁰⁴² is an apocalyptic number.

85042 is a deficient number, since it is larger than the sum of its proper divisors (44090).

85042 is a wasteful number, since it uses less digits than its factorization.

85042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 85042 is about 291.6196152525. The cubic root of 85042 is about 43.9755373662.

It can be divided in two parts, 8 and 5042, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 85042 in words is "eighty-five thousand, forty-two".