2144144025 has 36 divisors (see below), whose sum is σ = 3843203052. Its totient is φ = 1142709120.

The previous prime is 2144144021. The next prime is 2144144027. The reversal of 2144144025 is 5204414412.

2144144025 is a `hidden beast` number, since 214 + 4 + 1 + 440 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 111576969 + 2032567056 = 10563^2 + 45084^2 .

It is not a de Polignac number, because 2144144025 - 2² = 2144144021 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2144144025.

It is not an unprimeable number, because it can be changed into a prime (2144144021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 419787 + ... + 424863.

Almost surely, 2^2144144025 is an apocalyptic number.

2144144025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2144144025 is a deficient number, since it is larger than the sum of its proper divisors (1699059027).

2144144025 is a wasteful number, since it uses less digits than its factorization.

2144144025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6970 (or 6962 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 2144144025 is about 46304.9028181682. The cubic root of 2144144025 is about 1289.4900183519.

Adding to 2144144025 its reverse (5204414412), we get a palindrome (7348558437).

The spelling of 2144144025 in words is "two billion, one hundred forty-four million, one hundred forty-four thousand, twenty-five".