1440143332 has 12 divisors (see below), whose sum is σ = 2523177216. Its totient is φ = 719235560.

The previous prime is 1440143311. The next prime is 1440143407. The reversal of 1440143332 is 2333410441.

It is a junction number, because it is equal to n+sod(n) for n = 1440143297 and 1440143306.

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, 205144 + ... + 212047.

It is an arithmetic number, because the mean of its divisors is an integer number (210264768).

Almost surely, 2^1440143332 is an apocalyptic number.

It is an amenable number.

1440143332 is a deficient number, since it is larger than the sum of its proper divisors (1083033884).

1440143332 is a wasteful number, since it uses less digits than its factorization.

1440143332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418058 (or 418056 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1440143332 is about 37949.2204399511. The cubic root of 1440143332 is about 1129.2807002409.

Adding to 1440143332 its reverse (2333410441), we get a palindrome (3773553773).

The spelling of 1440143332 in words is "one billion, four hundred forty million, one hundred forty-three thousand, three hundred thirty-two".