2042440143 has 8 divisors (see below), whose sum is σ = 2723808000. Its totient is φ = 1361349528.

The previous prime is 2042440139. The next prime is 2042440151. The reversal of 2042440143 is 3410442402.

It is a happy number.

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

It is not a de Polignac number, because 2042440143 - 2² = 2042440139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042440243) 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, 51463 + ... + 82056.

It is an arithmetic number, because the mean of its divisors is an integer number (340476000).

Almost surely, 2^2042440143 is an apocalyptic number.

2042440143 is a deficient number, since it is larger than the sum of its proper divisors (681367857).

2042440143 is a wasteful number, since it uses less digits than its factorization.

2042440143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138621.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2042440143 is about 45193.3639265767. The cubic root of 2042440143 is about 1268.7706174167.

Adding to 2042440143 its reverse (3410442402), we get a palindrome (5452882545).

The spelling of 2042440143 in words is "two billion, forty-two million, four hundred forty thousand, one hundred forty-three".