142231444353 has 6 divisors (see below), whose sum is σ = 205445419634. Its totient is φ = 94820962896.

The previous prime is 142231444351. The next prime is 142231444361. The reversal of 142231444353 is 353444132241.

142231444353 is a `hidden beast` number, since 1 + 422 + 3 + 144 + 43 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 111176898624 + 31054545729 = 333432^2 + 176223^2 .

It is not a de Polignac number, because 142231444353 - 2¹ = 142231444351 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142231444351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7901746900 + ... + 7901746917.

Almost surely, 2^142231444353 is an apocalyptic number.

It is an amenable number.

142231444353 is a deficient number, since it is larger than the sum of its proper divisors (63213975281).

142231444353 is a wasteful number, since it uses less digits than its factorization.

142231444353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15803493823 (or 15803493820 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 142231444353 its reverse (353444132241), we get a palindrome (495675576594).

The spelling of 142231444353 in words is "one hundred forty-two billion, two hundred thirty-one million, four hundred forty-four thousand, three hundred fifty-three".