2144324128 has 12 divisors (see below), whose sum is σ = 4221638190. Its totient is φ = 1072162048.

The previous prime is 2144324123. The next prime is 2144324153. The reversal of 2144324128 is 8214234412.

It can be written as a sum of positive squares in only one way, i.e., 1266505744 + 877818384 = 35588^2 + 29628^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2144324128.

It is not an unprimeable number, because it can be changed into a prime (2144324123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33505033 + ... + 33505096.

Almost surely, 2^2144324128 is an apocalyptic number.

It is an amenable number.

2144324128 is a deficient number, since it is larger than the sum of its proper divisors (2077314062).

2144324128 is an equidigital number, since it uses as much as digits as its factorization.

2144324128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67010139 (or 67010131 counting only the distinct ones).

The product of its digits is 12288, while the sum is 31.

The square root of 2144324128 is about 46306.8475282004. The cubic root of 2144324128 is about 1289.5261220395.

The spelling of 2144324128 in words is "two billion, one hundred forty-four million, three hundred twenty-four thousand, one hundred twenty-eight".