2144489252 has 12 divisors (see below), whose sum is σ = 3789292416. Its totient is φ = 1061834280.

The previous prime is 2144489239. The next prime is 2144489287. The reversal of 2144489252 is 2529844412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2602124 + ... + 2602947.

It is an arithmetic number, because the mean of its divisors is an integer number (315774368).

Almost surely, 2^2144489252 is an apocalyptic number.

It is an amenable number.

2144489252 is a deficient number, since it is larger than the sum of its proper divisors (1644803164).

2144489252 is a wasteful number, since it uses less digits than its factorization.

2144489252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205178 (or 5205176 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 2144489252 is about 46308.6304267358. The cubic root of 2144489252 is about 1289.5592212405.

The spelling of 2144489252 in words is "two billion, one hundred forty-four million, four hundred eighty-nine thousand, two hundred fifty-two".