142320442143 has 8 divisors (see below), whose sum is σ = 207011552256. Its totient is φ = 86254813400.

The previous prime is 142320442129. The next prime is 142320442157. The reversal of 142320442143 is 341244023241.

It is an interprime number because it is at equal distance from previous prime (142320442129) and next prime (142320442157).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142320442143 - 2⁴ = 142320442127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142320442143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142320402143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2156370303 + ... + 2156370368.

It is an arithmetic number, because the mean of its divisors is an integer number (25876444032).

Almost surely, 2^142320442143 is an apocalyptic number.

142320442143 is a deficient number, since it is larger than the sum of its proper divisors (64691110113).

142320442143 is a wasteful number, since it uses less digits than its factorization.

142320442143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4312740685.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 142320442143 its reverse (341244023241), we get a palindrome (483564465384).

The spelling of 142320442143 in words is "one hundred forty-two billion, three hundred twenty million, four hundred forty-two thousand, one hundred forty-three".