142641543145 has 8 divisors (see below), whose sum is σ = 171173149056. Its totient is φ = 114111036336.

The previous prime is 142641543089. The next prime is 142641543167. The reversal of 142641543145 is 541345146241.

142641543145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-142641543145 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142641543098 and 142641543107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44464 + ... + 535966.

It is an arithmetic number, because the mean of its divisors is an integer number (21396643632).

Almost surely, 2^142641543145 is an apocalyptic number.

It is an amenable number.

142641543145 is a deficient number, since it is larger than the sum of its proper divisors (28531605911).

142641543145 is an equidigital number, since it uses as much as digits as its factorization.

142641543145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549551.

The product of its digits is 230400, while the sum is 40.

Adding to 142641543145 its reverse (541345146241), we get a palindrome (683986689386).

The spelling of 142641543145 in words is "one hundred forty-two billion, six hundred forty-one million, five hundred forty-three thousand, one hundred forty-five".