6143244231138 has 64 divisors (see below), whose sum is σ = 15020958774528. Its totient is φ = 1634934251520.

The previous prime is 6143244231133. The next prime is 6143244231197. The reversal of 6143244231138 is 8311324423416.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 6143244231138.

It is not an unprimeable number, because it can be changed into a prime (6143244231133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44281173 + ... + 44419688.

It is an arithmetic number, because the mean of its divisors is an integer number (234702480852).

Almost surely, 2^{6143244231138} is an apocalyptic number.

6143244231138 is an abundant number, since it is smaller than the sum of its proper divisors (8877714543390).

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

6143244231138 is a wasteful number, since it uses less digits than its factorization.

6143244231138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88700987.

The product of its digits is 331776, while the sum is 42.

The spelling of 6143244231138 in words is "six trillion, one hundred forty-three billion, two hundred forty-four million, two hundred thirty-one thousand, one hundred thirty-eight".