2144548244 has 12 divisors (see below), whose sum is σ = 3916131744. Its totient is φ = 1025653464.

The previous prime is 2144548243. The next prime is 2144548253. The reversal of 2144548244 is 4428454412.

It is a junction number, because it is equal to n+sod(n) for n = 2144548198 and 2144548207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144548243) 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, 11655062 + ... + 11655245.

It is an arithmetic number, because the mean of its divisors is an integer number (326344312).

Almost surely, 2^2144548244 is an apocalyptic number.

It is an amenable number.

2144548244 is a deficient number, since it is larger than the sum of its proper divisors (1771583500).

2144548244 is a wasteful number, since it uses less digits than its factorization.

2144548244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23310334 (or 23310332 counting only the distinct ones).

The product of its digits is 163840, while the sum is 38.

The square root of 2144548244 is about 46309.2673662627. The cubic root of 2144548244 is about 1289.5710458090.

The spelling of 2144548244 in words is "two billion, one hundred forty-four million, five hundred forty-eight thousand, two hundred forty-four".