142022431142 has 4 divisors (see below), whose sum is σ = 213033646716. Its totient is φ = 71011215570.

The previous prime is 142022431141. The next prime is 142022431183. The reversal of 142022431142 is 241134220241.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142022431141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35505607784 + ... + 35505607787.

It is an arithmetic number, because the mean of its divisors is an integer number (53258411679).

Almost surely, 2^142022431142 is an apocalyptic number.

142022431142 is a deficient number, since it is larger than the sum of its proper divisors (71011215574).

142022431142 is an equidigital number, since it uses as much as digits as its factorization.

142022431142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71011215573.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 142022431142 its reverse (241134220241), we get a palindrome (383156651383).

The spelling of 142022431142 in words is "one hundred forty-two billion, twenty-two million, four hundred thirty-one thousand, one hundred forty-two".