142243643345 has 8 divisors (see below), whose sum is σ = 171295526976. Its totient is φ = 113392811376.

The previous prime is 142243643327. The next prime is 142243643357. The reversal of 142243643345 is 543346342241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142243643345 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50261357 + ... + 50264186.

It is an arithmetic number, because the mean of its divisors is an integer number (21411940872).

Almost surely, 2^142243643345 is an apocalyptic number.

It is an amenable number.

142243643345 is a deficient number, since it is larger than the sum of its proper divisors (29051883631).

142243643345 is a wasteful number, since it uses less digits than its factorization.

142243643345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100525831.

The product of its digits is 829440, while the sum is 41.

Adding to 142243643345 its reverse (543346342241), we get a palindrome (685589985586).

The spelling of 142243643345 in words is "one hundred forty-two billion, two hundred forty-three million, six hundred forty-three thousand, three hundred forty-five".