2144135243 has 4 divisors (see below), whose sum is σ = 2213300928. Its totient is φ = 2074969560.

The previous prime is 2144135219. The next prime is 2144135269. The reversal of 2144135243 is 3425314412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2144135243 - 2⁸ = 2144134987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144131243) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 34582796 + ... + 34582857.

It is an arithmetic number, because the mean of its divisors is an integer number (553325232).

Almost surely, 2^2144135243 is an apocalyptic number.

2144135243 is a deficient number, since it is larger than the sum of its proper divisors (69165685).

2144135243 is an equidigital number, since it uses as much as digits as its factorization.

2144135243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69165684.

The product of its digits is 11520, while the sum is 29.

The square root of 2144135243 is about 46304.8079900997. The cubic root of 2144135243 is about 1289.4882578487.

Adding to 2144135243 its reverse (3425314412), we get a palindrome (5569449655).

The spelling of 2144135243 in words is "two billion, one hundred forty-four million, one hundred thirty-five thousand, two hundred forty-three".