2144143515 has 8 divisors (see below), whose sum is σ = 3430629648. Its totient is φ = 1143543200.

The previous prime is 2144143499. The next prime is 2144143553. The reversal of 2144143515 is 5153414412.

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

It is not a de Polignac number, because 2144143515 - 2⁴ = 2144143499 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71471436 + ... + 71471465.

It is an arithmetic number, because the mean of its divisors is an integer number (428828706).

Almost surely, 2^2144143515 is an apocalyptic number.

2144143515 is a deficient number, since it is larger than the sum of its proper divisors (1286486133).

2144143515 is a wasteful number, since it uses less digits than its factorization.

2144143515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142942909.

The product of its digits is 9600, while the sum is 30.

The square root of 2144143515 is about 46304.8973111916. The cubic root of 2144143515 is about 1289.4899161137.

Adding to 2144143515 its reverse (5153414412), we get a palindrome (7297557927).

The spelling of 2144143515 in words is "two billion, one hundred forty-four million, one hundred forty-three thousand, five hundred fifteen".