2942143 has 4 divisors (see below), whose sum is σ = 2946240. Its totient is φ = 2938048.

The previous prime is 2942141. The next prime is 2942161. The reversal of 2942143 is 3412492.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2942143 - 2¹ = 2942141 is a prime.

It is a Duffinian number.

2942143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655 + ... + 2512.

It is an arithmetic number, because the mean of its divisors is an integer number (736560).

2^2942143 is an apocalyptic number.

2942143 is a deficient number, since it is larger than the sum of its proper divisors (4097).

2942143 is an equidigital number, since it uses as much as digits as its factorization.

2942143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096.

The product of its digits is 1728, while the sum is 25.

The square root of 2942143 is about 1715.2676176037. The cubic root of 2942143 is about 143.2917739014.

The spelling of 2942143 in words is "two million, nine hundred forty-two thousand, one hundred forty-three".