142144414431001 has 4 divisors (see below), whose sum is σ = 142192290626100. Its totient is φ = 142096538235904.

The previous prime is 142144414430947. The next prime is 142144414431029. The reversal of 142144414431001 is 100134414441241.

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 74280610704400 + 67863803726601 = 8618620^2 + 8237949^2 .

It is a cyclic number.

It is not a de Polignac number, because 142144414431001 - 2¹⁹ = 142144413906713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142144414431031) 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, 23938093096 + ... + 23938099033.

It is an arithmetic number, because the mean of its divisors is an integer number (35548072656525).

Almost surely, 2^{142144414431001} is an apocalyptic number.

It is an amenable number.

142144414431001 is a deficient number, since it is larger than the sum of its proper divisors (47876195099).

142144414431001 is an equidigital number, since it uses as much as digits as its factorization.

142144414431001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47876195098.

The product of its (nonzero) digits is 24576, while the sum is 34.

Adding to 142144414431001 its reverse (100134414441241), we get a palindrome (242278828872242).

The spelling of 142144414431001 in words is "one hundred forty-two trillion, one hundred forty-four billion, four hundred fourteen million, four hundred thirty-one thousand, one".