2142420142 has 8 divisors (see below), whose sum is σ = 3215390832. Its totient is φ = 1070623200.

The previous prime is 2142420097. The next prime is 2142420149. The reversal of 2142420142 is 2410242412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142420149) 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, 288859 + ... + 296182.

It is an arithmetic number, because the mean of its divisors is an integer number (401923854).

Almost surely, 2^2142420142 is an apocalyptic number.

2142420142 is a deficient number, since it is larger than the sum of its proper divisors (1072970690).

2142420142 is a wasteful number, since it uses less digits than its factorization.

2142420142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586874.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2142420142 is about 46286.2845992201. The cubic root of 2142420142 is about 1289.1443441335.

Adding to 2142420142 its reverse (2410242412), we get a palindrome (4552662554).

The spelling of 2142420142 in words is "two billion, one hundred forty-two million, four hundred twenty thousand, one hundred forty-two".