2042143 has 6 divisors (see below), whose sum is σ = 2084264. Its totient is φ = 2000856.

The previous prime is 2042129. The next prime is 2042149. The reversal of 2042143 is 3412402.

It is not a de Polignac number, because 2042143 - 2⁵ = 2042111 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2446 + ... + 3172.

2^2042143 is an apocalyptic number.

2042143 is a deficient number, since it is larger than the sum of its proper divisors (42121).

2042143 is an frugal number, since it uses more digits than its factorization.

2042143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2042143 is about 1429.0356888476. The cubic root of 2042143 is about 126.8709085692.

Adding to 2042143 its reverse (3412402), we get a palindrome (5454545).

The spelling of 2042143 in words is "two million, forty-two thousand, one hundred forty-three".