2144473 has 8 divisors (see below), whose sum is σ = 2296800. Its totient is φ = 1996128.

The previous prime is 2144459. The next prime is 2144477. The reversal of 2144473 is 3744412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2144473 is a prime.

It is a Duffinian number.

2144473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2144477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165 + ... + 2077.

It is an arithmetic number, because the mean of its divisors is an integer number (287100).

2^2144473 is an apocalyptic number.

It is an amenable number.

2144473 is a deficient number, since it is larger than the sum of its proper divisors (152327).

2144473 is a wasteful number, since it uses less digits than its factorization.

2144473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991.

The product of its digits is 2688, while the sum is 25.

The square root of 2144473 is about 1464.4019257021. The cubic root of 2144473 is about 128.9555963593.

Adding to 2144473 its reverse (3744412), we get a palindrome (5888885).

The spelling of 2144473 in words is "two million, one hundred forty-four thousand, four hundred seventy-three".