2143042 has 16 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 940240.

The previous prime is 2143039. The next prime is 2143051. The reversal of 2143042 is 2403412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1042 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (226800).

2^2143042 is an apocalyptic number.

2143042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2143042 is a deficient number, since it is larger than the sum of its proper divisors (1485758).

2143042 is a wasteful number, since it uses less digits than its factorization.

2143042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401.

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

The square root of 2143042 is about 1463.9132487958. The cubic root of 2143042 is about 128.9269060905.

Adding to 2143042 its reverse (2403412), we get a palindrome (4546454).

The spelling of 2143042 in words is "two million, one hundred forty-three thousand, forty-two".