1142140422143 has 24 divisors (see below), whose sum is σ = 1398844911600. Its totient is φ = 927249700608.

The previous prime is 1142140422127. The next prime is 1142140422179. The reversal of 1142140422143 is 3412240412411.

It is not a de Polignac number, because 1142140422143 - 2⁴ = 1142140422127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142140422043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4203953 + ... + 4467381.

It is an arithmetic number, because the mean of its divisors is an integer number (58285204650).

Almost surely, 2^{1142140422143} is an apocalyptic number.

1142140422143 is a deficient number, since it is larger than the sum of its proper divisors (256704489457).

1142140422143 is a wasteful number, since it uses less digits than its factorization.

1142140422143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268119 (or 268112 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1142140422143 its reverse (3412240412411), we get a palindrome (4554380834554).

The spelling of 1142140422143 in words is "one trillion, one hundred forty-two billion, one hundred forty million, four hundred twenty-two thousand, one hundred forty-three".