2143461344 has 24 divisors (see below), whose sum is σ = 4229366400. Its totient is φ = 1069336576.

The previous prime is 2143461317. The next prime is 2143461361. The reversal of 2143461344 is 4431643412.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 2143461344.

It is a congruent number.

It is an unprimeable number.

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, 60224 + ... + 88959.

It is an arithmetic number, because the mean of its divisors is an integer number (176223600).

Almost surely, 2^2143461344 is an apocalyptic number.

It is an amenable number.

2143461344 is a deficient number, since it is larger than the sum of its proper divisors (2085905056).

2143461344 is a wasteful number, since it uses less digits than its factorization.

2143461344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149642 (or 149634 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 2143461344 is about 46297.5306468930. The cubic root of 2143461344 is about 1289.3531488491.

The spelling of 2143461344 in words is "two billion, one hundred forty-three million, four hundred sixty-one thousand, three hundred forty-four".