2144402303 has 16 divisors (see below), whose sum is σ = 2331336480. Its totient is φ = 1967607936.

The previous prime is 2144402291. The next prime is 2144402311. The reversal of 2144402303 is 3032044412.

It is a cyclic number.

It is not a de Polignac number, because 2144402303 - 2⁸ = 2144402047 is a prime.

It is a super-2 number, since 2×2144402303² = 9196922474223407618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144402333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22901 + ... + 69377.

It is an arithmetic number, because the mean of its divisors is an integer number (145708530).

Almost surely, 2^2144402303 is an apocalyptic number.

2144402303 is a deficient number, since it is larger than the sum of its proper divisors (186934177).

2144402303 is a wasteful number, since it uses less digits than its factorization.

2144402303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46586.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2144402303 is about 46307.6916181319. The cubic root of 2144402303 is about 1289.5417924752.

Adding to 2144402303 its reverse (3032044412), we get a palindrome (5176446715).

The spelling of 2144402303 in words is "two billion, one hundred forty-four million, four hundred two thousand, three hundred three".