142433451133 has 4 divisors (see below), whose sum is σ = 145907437788. Its totient is φ = 138959464480.

The previous prime is 142433451109. The next prime is 142433451161. The reversal of 142433451133 is 331154334241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331154334241 = 43 ⋅7701263587.

It can be written as a sum of positive squares in 2 ways, for example, as 3115649124 + 139317802009 = 55818^2 + 373253^2 .

It is a cyclic number.

It is not a de Polignac number, because 142433451133 - 2⁵ = 142433451101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142433451233) 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, 1736993266 + ... + 1736993347.

It is an arithmetic number, because the mean of its divisors is an integer number (36476859447).

Almost surely, 2^142433451133 is an apocalyptic number.

It is an amenable number.

142433451133 is a deficient number, since it is larger than the sum of its proper divisors (3473986655).

142433451133 is an equidigital number, since it uses as much as digits as its factorization.

142433451133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473986654.

The product of its digits is 51840, while the sum is 34.

Adding to 142433451133 its reverse (331154334241), we get a palindrome (473587785374).

The spelling of 142433451133 in words is "one hundred forty-two billion, four hundred thirty-three million, four hundred fifty-one thousand, one hundred thirty-three".