1440143043142 has 16 divisors (see below), whose sum is σ = 2166564182112. Its totient is φ = 717957797440.

The previous prime is 1440143043109. The next prime is 1440143043161. The reversal of 1440143043142 is 2413403410441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321288 + ... + 1727284.

It is an arithmetic number, because the mean of its divisors is an integer number (135410261382).

Almost surely, 2^{1440143043142} is an apocalyptic number.

1440143043142 is a deficient number, since it is larger than the sum of its proper divisors (726421138970).

1440143043142 is a wasteful number, since it uses less digits than its factorization.

1440143043142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407503.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1440143043142 its reverse (2413403410441), we get a palindrome (3853546453583).

The spelling of 1440143043142 in words is "one trillion, four hundred forty billion, one hundred forty-three million, forty-three thousand, one hundred forty-two".