2143142300 has 144 divisors (see below), whose sum is σ = 5265704640. Its totient is φ = 751196160.

The previous prime is 2143142167. The next prime is 2143142327. The reversal of 2143142300 is 32413412.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6846944 + ... + 6847256.

Almost surely, 2^2143142300 is an apocalyptic number.

2143142300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143142300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2632852320).

2143142300 is an abundant number, since it is smaller than the sum of its proper divisors (3122562340).

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

2143142300 is a wasteful number, since it uses less digits than its factorization.

2143142300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2143142300 is about 46294.0849353349. The cubic root of 2143142300 is about 1289.2891743189.

Adding to 2143142300 its reverse (32413412), we get a palindrome (2175555712).

The spelling of 2143142300 in words is "two billion, one hundred forty-three million, one hundred forty-two thousand, three hundred".