85159242 has 32 divisors (see below), whose sum is σ = 216278400. Its totient is φ = 24331104.

The previous prime is 85159241. The next prime is 85159297. The reversal of 85159242 is 24295158.

It is a junction number, because it is equal to n+sod(n) for n = 85159197 and 85159206.

It is not an unprimeable number, because it can be changed into a prime (85159241) 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 15 ways as a sum of consecutive naturals, for example, 112267 + ... + 113022.

It is an arithmetic number, because the mean of its divisors is an integer number (6758700).

Almost surely, 2^85159242 is an apocalyptic number.

85159242 is an abundant number, since it is smaller than the sum of its proper divisors (131119158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85159242 is a wasteful number, since it uses less digits than its factorization.

85159242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225307 (or 225301 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 85159242 is about 9228.1765262700. The cubic root of 85159242 is about 439.9573684591.

The spelling of 85159242 in words is "eighty-five million, one hundred fifty-nine thousand, two hundred forty-two".