2002142 has 8 divisors (see below), whose sum is σ = 3052632. Its totient is φ = 984600.

The previous prime is 2002093. The next prime is 2002151. The reversal of 2002142 is 2412002.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8084 + ... + 8327.

It is an arithmetic number, because the mean of its divisors is an integer number (381579).

2^2002142 is an apocalyptic number.

2002142 is a deficient number, since it is larger than the sum of its proper divisors (1050490).

2002142 is a wasteful number, since it uses less digits than its factorization.

2002142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16474.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2002142 is about 1414.9706710741. The cubic root of 2002142 is about 126.0370681229.

Adding to 2002142 its reverse (2412002), we get a palindrome (4414144).

The spelling of 2002142 in words is "two million, two thousand, one hundred forty-two".