2144303 has 4 divisors (see below), whose sum is σ = 2450640. Its totient is φ = 1837968.

The previous prime is 2144287. The next prime is 2144309. The reversal of 2144303 is 3034412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2144303 - 2⁴ = 2144287 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153158 + ... + 153171.

It is an arithmetic number, because the mean of its divisors is an integer number (612660).

2^2144303 is an apocalyptic number.

2144303 is a deficient number, since it is larger than the sum of its proper divisors (306337).

2144303 is an equidigital number, since it uses as much as digits as its factorization.

2144303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306336.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2144303 is about 1464.3438803778. The cubic root of 2144303 is about 128.9521886797.

Adding to 2144303 its reverse (3034412), we get a palindrome (5178715).

The spelling of 2144303 in words is "two million, one hundred forty-four thousand, three hundred three".