2144185468 has 12 divisors (see below), whose sum is σ = 3780969192. Its totient is φ = 1063908560.

The previous prime is 2144185429. The next prime is 2144185471. The reversal of 2144185468 is 8645814412.

It is a congruent number.

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, 2045455 + ... + 2046502.

It is an arithmetic number, because the mean of its divisors is an integer number (315080766).

Almost surely, 2^2144185468 is an apocalyptic number.

It is an amenable number.

2144185468 is a deficient number, since it is larger than the sum of its proper divisors (1636783724).

2144185468 is a wasteful number, since it uses less digits than its factorization.

2144185468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092092 (or 4092090 counting only the distinct ones).

The product of its digits is 245760, while the sum is 43.

The square root of 2144185468 is about 46305.3503172150. The cubic root of 2144185468 is about 1289.4983262500.

The spelling of 2144185468 in words is "two billion, one hundred forty-four million, one hundred eighty-five thousand, four hundred sixty-eight".