142420433133 has 24 divisors (see below), whose sum is σ = 208752544000. Its totient is φ = 86304588480.

The previous prime is 142420433123. The next prime is 142420433161. The reversal of 142420433133 is 331334024241.

It is a happy number.

142420433133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142420433133 - 2⁶ = 142420433069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142420433133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142420433123) 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 23 ways as a sum of consecutive naturals, for example, 3613668 + ... + 3652866.

Almost surely, 2^142420433133 is an apocalyptic number.

It is an amenable number.

142420433133 is a deficient number, since it is larger than the sum of its proper divisors (66332110867).

142420433133 is a wasteful number, since it uses less digits than its factorization.

142420433133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49233 (or 49222 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 142420433133 its reverse (331334024241), we get a palindrome (473754457374).

The spelling of 142420433133 in words is "one hundred forty-two billion, four hundred twenty million, four hundred thirty-three thousand, one hundred thirty-three".