2143442032 has 20 divisors (see below), whose sum is σ = 4154093496. Its totient is φ = 1071417920.

The previous prime is 2143441999. The next prime is 2143442039. The reversal of 2143442032 is 2302443412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2143441988 and 2143442006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143442039) 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, 46182 + ... + 80122.

Almost surely, 2^2143442032 is an apocalyptic number.

It is an amenable number.

2143442032 is a deficient number, since it is larger than the sum of its proper divisors (2010651464).

2143442032 is a wasteful number, since it uses less digits than its factorization.

2143442032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37896 (or 37890 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2143442032 is about 46297.3220823840. The cubic root of 2143442032 is about 1289.3492765978.

Adding to 2143442032 its reverse (2302443412), we get a palindrome (4445885444).

The spelling of 2143442032 in words is "two billion, one hundred forty-three million, four hundred forty-two thousand, thirty-two".