2143144842 has 16 divisors (see below), whose sum is σ = 4356557472. Its totient is φ = 702670320.

The previous prime is 2143144823. The next prime is 2143144847. The reversal of 2143144842 is 2484413412.

It is not an unprimeable number, because it can be changed into a prime (2143144847) 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, 2927428 + ... + 2928159.

It is an arithmetic number, because the mean of its divisors is an integer number (272284842).

Almost surely, 2^2143144842 is an apocalyptic number.

2143144842 is an abundant number, since it is smaller than the sum of its proper divisors (2213412630).

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

2143144842 is a wasteful number, since it uses less digits than its factorization.

2143144842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5855653.

The product of its digits is 24576, while the sum is 33.

The square root of 2143144842 is about 46294.1123902381. The cubic root of 2143144842 is about 1289.2896840644.

The spelling of 2143144842 in words is "two billion, one hundred forty-three million, one hundred forty-four thousand, eight hundred forty-two".