142033133 has 4 divisors (see below), whose sum is σ = 154945248. Its totient is φ = 129121020.

The previous prime is 142033127. The next prime is 142033141. The reversal of 142033133 is 331330241.

142033133 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142033133 - 2²⁴ = 125255917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142033153) 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, 6456041 + ... + 6456062.

It is an arithmetic number, because the mean of its divisors is an integer number (38736312).

Almost surely, 2^142033133 is an apocalyptic number.

It is an amenable number.

142033133 is a deficient number, since it is larger than the sum of its proper divisors (12912115).

142033133 is a wasteful number, since it uses less digits than its factorization.

142033133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12912114.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 142033133 is about 11917.7654365237. The cubic root of 142033133 is about 521.7509185351.

Adding to 142033133 its reverse (331330241), we get a palindrome (473363374).

The spelling of 142033133 in words is "one hundred forty-two million, thirty-three thousand, one hundred thirty-three".