2842142 has 8 divisors (see below), whose sum is σ = 4400832. Its totient is φ = 1375200.

The previous prime is 2842139. The next prime is 2842157. The reversal of 2842142 is 2412482.

It is a happy number.

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

It is a super-2 number, since 2×2842142² = 16155542296328, which contains 22 as substring.

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, 22859 + ... + 22982.

It is an arithmetic number, because the mean of its divisors is an integer number (550104).

2^2842142 is an apocalyptic number.

2842142 is a deficient number, since it is larger than the sum of its proper divisors (1558690).

2842142 is a wasteful number, since it uses less digits than its factorization.

2842142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45874.

The product of its digits is 1024, while the sum is 23.

The square root of 2842142 is about 1685.8653564268. The cubic root of 2842142 is about 141.6495690246.

The spelling of 2842142 in words is "two million, eight hundred forty-two thousand, one hundred forty-two".