142466242021243 has 4 divisors (see below), whose sum is σ = 162818562310000. Its totient is φ = 122113921732488.

The previous prime is 142466242021199. The next prime is 142466242021303. The reversal of 142466242021243 is 342120242664241.

It is a happy number.

142466242021243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-142466242021243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142466242021243.

It is not an unprimeable number, because it can be changed into a prime (142466242025243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10176160144368 + ... + 10176160144381.

It is an arithmetic number, because the mean of its divisors is an integer number (40704640577500).

Almost surely, 2^{142466242021243} is an apocalyptic number.

142466242021243 is a deficient number, since it is larger than the sum of its proper divisors (20352320288757).

142466242021243 is an equidigital number, since it uses as much as digits as its factorization.

142466242021243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20352320288756.

The product of its (nonzero) digits is 884736, while the sum is 43.

Adding to 142466242021243 its reverse (342120242664241), we get a palindrome (484586484685484).

The spelling of 142466242021243 in words is "one hundred forty-two trillion, four hundred sixty-six billion, two hundred forty-two million, twenty-one thousand, two hundred forty-three".