2144575894 has 8 divisors (see below), whose sum is σ = 3291674760. Its totient is φ = 1047350976.

The previous prime is 2144575879. The next prime is 2144575933. The reversal of 2144575894 is 4985754412.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 12468379 + ... + 12468550.

It is an arithmetic number, because the mean of its divisors is an integer number (411459345).

Almost surely, 2^2144575894 is an apocalyptic number.

2144575894 is a deficient number, since it is larger than the sum of its proper divisors (1147098866).

2144575894 is a wasteful number, since it uses less digits than its factorization.

2144575894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24936974.

The product of its digits is 1612800, while the sum is 49.

The square root of 2144575894 is about 46309.5659016579. The cubic root of 2144575894 is about 1289.5765879997.

The spelling of 2144575894 in words is "two billion, one hundred forty-four million, five hundred seventy-five thousand, eight hundred ninety-four".