85159155 has 16 divisors (see below), whose sum is σ = 137126304. Its totient is φ = 45127680.

The previous prime is 85159093. The next prime is 85159157. The reversal of 85159155 is 55195158.

It is not a de Polignac number, because 85159155 - 2¹³ = 85150963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85159157) 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, 15726 + ... + 20435.

It is an arithmetic number, because the mean of its divisors is an integer number (8570394).

Almost surely, 2^85159155 is an apocalyptic number.

85159155 is a deficient number, since it is larger than the sum of its proper divisors (51967149).

85159155 is a wasteful number, since it uses less digits than its factorization.

85159155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36326.

The product of its digits is 45000, while the sum is 39.

The square root of 85159155 is about 9228.1718124448. The cubic root of 85159155 is about 439.9572186366.

It can be divided in two parts, 851 and 59155, that added together give a palindrome (60006).

The spelling of 85159155 in words is "eighty-five million, one hundred fifty-nine thousand, one hundred fifty-five".