2142002042 has 8 divisors (see below), whose sum is σ = 3214444800. Its totient is φ = 1070520444.

The previous prime is 2142002033. The next prime is 2142002047. The reversal of 2142002042 is 2402002412.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2142002042.

It is not an unprimeable number, because it can be changed into a prime (2142002047) 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, 234692 + ... + 243647.

It is an arithmetic number, because the mean of its divisors is an integer number (401805600).

Almost surely, 2^2142002042 is an apocalyptic number.

2142002042 is a deficient number, since it is larger than the sum of its proper divisors (1072442758).

2142002042 is a wasteful number, since it uses less digits than its factorization.

2142002042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480580.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2142002042 is about 46281.7679221527. The cubic root of 2142002042 is about 1289.0604784924.

Adding to 2142002042 its reverse (2402002412), we get a palindrome (4544004454).

The spelling of 2142002042 in words is "two billion, one hundred forty-two million, two thousand, forty-two".