2143142432 has 48 divisors (see below), whose sum is σ = 4333694400. Its totient is φ = 1042886400.

The previous prime is 2143142423. The next prime is 2143142471. The reversal of 2143142432 is 2342413412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185069 + ... + 196307.

It is an arithmetic number, because the mean of its divisors is an integer number (90285300).

Almost surely, 2^2143142432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143142432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2166847200).

2143142432 is an abundant number, since it is smaller than the sum of its proper divisors (2190551968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143142432 is a wasteful number, since it uses less digits than its factorization.

2143142432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11409 (or 11401 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 2143142432 is about 46294.0863610030. The cubic root of 2143142432 is about 1289.2892007887.

Adding to 2143142432 its reverse (2342413412), we get a palindrome (4485555844).

The spelling of 2143142432 in words is "two billion, one hundred forty-three million, one hundred forty-two thousand, four hundred thirty-two".