2244400143 has 16 divisors (see below), whose sum is σ = 3023301600. Its totient is φ = 1480913280.

The previous prime is 2244400139. The next prime is 2244400157. The reversal of 2244400143 is 3410044422.

It is a happy number.

It is not a de Polignac number, because 2244400143 - 2² = 2244400139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244400043) 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, 343713 + ... + 350181.

It is an arithmetic number, because the mean of its divisors is an integer number (188956350).

Almost surely, 2^2244400143 is an apocalyptic number.

2244400143 is a deficient number, since it is larger than the sum of its proper divisors (778901457).

2244400143 is a wasteful number, since it uses less digits than its factorization.

2244400143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7642.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2244400143 is about 47375.1004537194. The cubic root of 2244400143 is about 1309.2826993969.

Adding to 2244400143 its reverse (3410044422), we get a palindrome (5654444565).

The spelling of 2244400143 in words is "two billion, two hundred forty-four million, four hundred thousand, one hundred forty-three".