85144044158 has 24 divisors (see below), whose sum is σ = 134940751200. Its totient is φ = 40286806560.

The previous prime is 85144044133. The next prime is 85144044163.

85144044158 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 593018 + ... + 722466.

It is an arithmetic number, because the mean of its divisors is an integer number (5622531300).

Almost surely, 2^85144044158 is an apocalyptic number.

85144044158 is a deficient number, since it is larger than the sum of its proper divisors (49796707042).

85144044158 is a wasteful number, since it uses less digits than its factorization.

85144044158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130400 (or 130381 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 44.

It can be divided in two parts, 851440 and 44158, that added together give a palindrome (895598).

The spelling of 85144044158 in words is "eighty-five billion, one hundred forty-four million, forty-four thousand, one hundred fifty-eight".