1443121043142 has 64 divisors (see below), whose sum is σ = 3107893501440. Its totient is φ = 445122307584.

The previous prime is 1443121043129. The next prime is 1443121043219. The reversal of 1443121043142 is 2413401213441.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 966228 + ... + 1954440.

It is an arithmetic number, because the mean of its divisors is an integer number (48560835960).

Almost surely, 2^{1443121043142} is an apocalyptic number.

1443121043142 is an abundant number, since it is smaller than the sum of its proper divisors (1664772458298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1443121043142 is a wasteful number, since it uses less digits than its factorization.

1443121043142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988477.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 1443121043142 its reverse (2413401213441), we get a palindrome (3856522256583).

The spelling of 1443121043142 in words is "one trillion, four hundred forty-three billion, one hundred twenty-one million, forty-three thousand, one hundred forty-two".