142642332340433 has 4 divisors (see below), whose sum is σ = 142642572031908. Its totient is φ = 142642092648960.

The previous prime is 142642332340427. The next prime is 142642332340499. The reversal of 142642332340433 is 334043233246241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 128980267874704 + 13662064465729 = 11356948^2 + 3696223^2 .

It is a cyclic number.

It is not a de Polignac number, because 142642332340433 - 2⁸ = 142642332340177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142642332340033) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 118950848 + ... + 120144033.

It is an arithmetic number, because the mean of its divisors is an integer number (35660643007977).

Almost surely, 2^{142642332340433} is an apocalyptic number.

It is an amenable number.

142642332340433 is a deficient number, since it is larger than the sum of its proper divisors (239691475).

142642332340433 is an equidigital number, since it uses as much as digits as its factorization.

142642332340433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239691474.

The product of its (nonzero) digits is 2985984, while the sum is 44.

Adding to 142642332340433 its reverse (334043233246241), we get a palindrome (476685565586674).

The spelling of 142642332340433 in words is "one hundred forty-two trillion, six hundred forty-two billion, three hundred thirty-two million, three hundred forty thousand, four hundred thirty-three".