1142231143342 has 4 divisors (see below), whose sum is σ = 1713346715016. Its totient is φ = 571115571670.

The previous prime is 1142231143327. The next prime is 1142231143363. The reversal of 1142231143342 is 2433411322411.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285557785834 + ... + 285557785837.

It is an arithmetic number, because the mean of its divisors is an integer number (428336678754).

Almost surely, 2^{1142231143342} is an apocalyptic number.

1142231143342 is a deficient number, since it is larger than the sum of its proper divisors (571115571674).

1142231143342 is an equidigital number, since it uses as much as digits as its factorization.

1142231143342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571115571673.

The product of its digits is 13824, while the sum is 31.

Adding to 1142231143342 its reverse (2433411322411), we get a palindrome (3575642465753).

The spelling of 1142231143342 in words is "one trillion, one hundred forty-two billion, two hundred thirty-one million, one hundred forty-three thousand, three hundred forty-two".