18244042052143 has 8 divisors (see below), whose sum is σ = 19187890851456. Its totient is φ = 17322401460000.

The previous prime is 18244042052087. The next prime is 18244042052147. The reversal of 18244042052143 is 34125024044281.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18244042052143 - 2²¹ = 18244039954991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18244042052096 and 18244042052105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18244042052147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5552050108 + ... + 5552053393.

It is an arithmetic number, because the mean of its divisors is an integer number (2398486356432).

Almost surely, 2^{18244042052143} is an apocalyptic number.

18244042052143 is a deficient number, since it is larger than the sum of its proper divisors (943848799313).

18244042052143 is a wasteful number, since it uses less digits than its factorization.

18244042052143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11104103585.

The product of its (nonzero) digits is 245760, while the sum is 40.

The spelling of 18244042052143 in words is "eighteen trillion, two hundred forty-four billion, forty-two million, fifty-two thousand, one hundred forty-three".