2143204142 has 16 divisors (see below), whose sum is σ = 3447858960. Its totient is φ = 996046272.

The previous prime is 2143204109. The next prime is 2143204159. The reversal of 2143204142 is 2414023412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530063 + ... + 534090.

It is an arithmetic number, because the mean of its divisors is an integer number (215491185).

Almost surely, 2^2143204142 is an apocalyptic number.

2143204142 is a deficient number, since it is larger than the sum of its proper divisors (1304654818).

2143204142 is a wasteful number, since it uses less digits than its factorization.

2143204142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064227.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2143204142 is about 46294.7528560203. The cubic root of 2143204142 is about 1289.3015753393.

Adding to 2143204142 its reverse (2414023412), we get a palindrome (4557227554).

The spelling of 2143204142 in words is "two billion, one hundred forty-three million, two hundred four thousand, one hundred forty-two".