142334213 has 4 divisors (see below), whose sum is σ = 162667680. Its totient is φ = 122000748.

The previous prime is 142334209. The next prime is 142334249. The reversal of 142334213 is 312433241.

142334213 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: 312433241 = 1481 ⋅210961.

It is a cyclic number.

It is not a de Polignac number, because 142334213 - 2² = 142334209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142330213) 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, 10166723 + ... + 10166736.

It is an arithmetic number, because the mean of its divisors is an integer number (40666920).

Almost surely, 2^142334213 is an apocalyptic number.

It is an amenable number.

142334213 is a deficient number, since it is larger than the sum of its proper divisors (20333467).

142334213 is an equidigital number, since it uses as much as digits as its factorization.

142334213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20333466.

The product of its digits is 1728, while the sum is 23.

The square root of 142334213 is about 11930.3903121398. The cubic root of 142334213 is about 522.1193252947.

Adding to 142334213 its reverse (312433241), we get a palindrome (454767454).

The spelling of 142334213 in words is "one hundred forty-two million, three hundred thirty-four thousand, two hundred thirteen".