2144244141 has 12 divisors (see below), whose sum is σ = 3335491068. Its totient is φ = 1319534784.

The previous prime is 2144244131. The next prime is 2144244143. The reversal of 2144244141 is 1414424412.

It is a happy number.

2144244141 is a `hidden beast` number, since 214 + 4 + 2 + 441 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 636552900 + 1507691241 = 25230^2 + 38829^2 .

It is not a de Polignac number, because 2144244141 - 2⁷ = 2144244013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144244143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9163320 + ... + 9163553.

It is an arithmetic number, because the mean of its divisors is an integer number (277957589).

Almost surely, 2^2144244141 is an apocalyptic number.

It is an amenable number.

2144244141 is a deficient number, since it is larger than the sum of its proper divisors (1191246927).

2144244141 is a wasteful number, since it uses less digits than its factorization.

2144244141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18326892 (or 18326889 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 2144244141 is about 46305.9838573807. The cubic root of 2144244141 is about 1289.5100879884.

Adding to 2144244141 its reverse (1414424412), we get a palindrome (3558668553).

The spelling of 2144244141 in words is "two billion, one hundred forty-four million, two hundred forty-four thousand, one hundred forty-one".