142330033 has 4 divisors (see below), whose sum is σ = 143272768. Its totient is φ = 141387300.

The previous prime is 142329989. The next prime is 142330061. The reversal of 142330033 is 330033241.

142330033 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, and also an emirpimes, since its reverse is a distinct semiprime: 330033241 = 61 ⋅5410381.

It is a cyclic number.

It is not a de Polignac number, because 142330033 - 2⁹ = 142329521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142330073) 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, 471141 + ... + 471442.

It is an arithmetic number, because the mean of its divisors is an integer number (35818192).

Almost surely, 2^142330033 is an apocalyptic number.

It is an amenable number.

142330033 is a deficient number, since it is larger than the sum of its proper divisors (942735).

142330033 is an equidigital number, since it uses as much as digits as its factorization.

142330033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942734.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 142330033 is about 11930.2151279849. The cubic root of 142330033 is about 522.1142141315.

Adding to 142330033 its reverse (330033241), we get a palindrome (472363274).

The spelling of 142330033 in words is "one hundred forty-two million, three hundred thirty thousand, thirty-three".