2143055000 has 80 divisors (see below), whose sum is σ = 5116549680. Its totient is φ = 840944000.

The previous prime is 2143054993. The next prime is 2143055039. The reversal of 2143055000 is 5503412.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 260957 + ... + 269043.

It is an arithmetic number, because the mean of its divisors is an integer number (63956871).

Almost surely, 2^2143055000 is an apocalyptic number.

2143055000 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 2143055000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2558274840).

2143055000 is an abundant number, since it is smaller than the sum of its proper divisors (2973494680).

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

2143055000 is an equidigital number, since it uses as much as digits as its factorization.

2143055000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8166 (or 8147 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2143055000 is about 46293.1420406954. The cubic root of 2143055000 is about 1289.2716678638.

Adding to 2143055000 its reverse (5503412), we get a palindrome (2148558412).

The spelling of 2143055000 in words is "two billion, one hundred forty-three million, fifty-five thousand".