2144125544 has 32 divisors (see below), whose sum is σ = 4643697600. Its totient is φ = 917272320.

The previous prime is 2144125541. The next prime is 2144125553. The reversal of 2144125544 is 4455214412.

It is a self number, because there is not a number n which added to its sum of digits gives 2144125544.

It is not an unprimeable number, because it can be changed into a prime (2144125541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715124 + ... + 718115.

It is an arithmetic number, because the mean of its divisors is an integer number (145115550).

Almost surely, 2^2144125544 is an apocalyptic number.

It is an amenable number.

2144125544 is an abundant number, since it is smaller than the sum of its proper divisors (2499572056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2144125544 is a wasteful number, since it uses less digits than its factorization.

2144125544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433273 (or 1433269 counting only the distinct ones).

The product of its digits is 25600, while the sum is 32.

The square root of 2144125544 is about 46304.7032600361. The cubic root of 2144125544 is about 1289.4863135116.

Adding to 2144125544 its reverse (4455214412), we get a palindrome (6599339956).

The spelling of 2144125544 in words is "two billion, one hundred forty-four million, one hundred twenty-five thousand, five hundred forty-four".