8442159 has 16 divisors (see below), whose sum is σ = 12397440. Its totient is φ = 5067360.

The previous prime is 8442157. The next prime is 8442167. The reversal of 8442159 is 9512448.

It is not a de Polignac number, because 8442159 - 2¹ = 8442157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

8442159 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2424 + ... + 4770.

It is an arithmetic number, because the mean of its divisors is an integer number (774840).

Almost surely, 2^8442159 is an apocalyptic number.

8442159 is a deficient number, since it is larger than the sum of its proper divisors (3955281).

8442159 is a wasteful number, since it uses less digits than its factorization.

8442159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470.

The product of its digits is 11520, while the sum is 33.

The square root of 8442159 is about 2905.5393647308. The cubic root of 8442159 is about 203.6187853770.

It can be divided in two parts, 844 and 2159, that added together give a palindrome (3003).

The spelling of 8442159 in words is "eight million, four hundred forty-two thousand, one hundred fifty-nine".