142133311 has 8 divisors (see below), whose sum is σ = 153696960. Its totient is φ = 130925568.

The previous prime is 142133293. The next prime is 142133323. The reversal of 142133311 is 113331241.

142133311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142133311 - 2¹¹ = 142131263 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 (142133371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88146 + ... + 89743.

It is an arithmetic number, because the mean of its divisors is an integer number (19212120).

Almost surely, 2^142133311 is an apocalyptic number.

142133311 is a deficient number, since it is larger than the sum of its proper divisors (11563649).

142133311 is a wasteful number, since it uses less digits than its factorization.

142133311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177953.

The product of its digits is 216, while the sum is 19.

The square root of 142133311 is about 11921.9675808987. The cubic root of 142133311 is about 521.8735558352.

Adding to 142133311 its reverse (113331241), we get a palindrome (255464552).

The spelling of 142133311 in words is "one hundred forty-two million, one hundred thirty-three thousand, three hundred eleven".