2143515282 has 8 divisors (see below), whose sum is σ = 4287030576. Its totient is φ = 714505092.

The previous prime is 2143515281. The next prime is 2143515313. The reversal of 2143515282 is 2825153412.

It is a sphenic number, since it is the product of 3 distinct primes.

2143515282 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2143515281) 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, 178626268 + ... + 178626279.

It is an arithmetic number, because the mean of its divisors is an integer number (535878822).

Almost surely, 2^2143515282 is an apocalyptic number.

2143515282 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2143515282 is a wasteful number, since it uses less digits than its factorization.

2143515282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357252552.

The product of its digits is 19200, while the sum is 33.

The square root of 2143515282 is about 46298.1131580975. The cubic root of 2143515282 is about 1289.3639638403.

Adding to 2143515282 its reverse (2825153412), we get a palindrome (4968668694).

The spelling of 2143515282 in words is "two billion, one hundred forty-three million, five hundred fifteen thousand, two hundred eighty-two".