142231403141 has 4 divisors (see below), whose sum is σ = 142239516300. Its totient is φ = 142223289984.

The previous prime is 142231403071. The next prime is 142231403161. The reversal of 142231403141 is 141304132241.

142231403141 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, and also an emirpimes, since its reverse is a distinct semiprime: 141304132241 = 7433 ⋅19010377.

It can be written as a sum of positive squares in 2 ways, for example, as 8268083041 + 133963320100 = 90929^2 + 366010^2 .

It is a cyclic number.

It is not a de Polignac number, because 142231403141 - 2¹⁴ = 142231386757 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 142231403141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142231403161) 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, 4030226 + ... + 4065363.

It is an arithmetic number, because the mean of its divisors is an integer number (35559879075).

Almost surely, 2^142231403141 is an apocalyptic number.

It is an amenable number.

142231403141 is a deficient number, since it is larger than the sum of its proper divisors (8113159).

142231403141 is an equidigital number, since it uses as much as digits as its factorization.

142231403141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8113158.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 142231403141 its reverse (141304132241), we get a palindrome (283535535382).

The spelling of 142231403141 in words is "one hundred forty-two billion, two hundred thirty-one million, four hundred three thousand, one hundred forty-one".