142434213 has 4 divisors (see below), whose sum is σ = 189912288. Its totient is φ = 94956140.

The previous prime is 142434209. The next prime is 142434221. The reversal of 142434213 is 312434241.

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 142434213 - 2² = 142434209 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142434233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23739033 + ... + 23739038.

It is an arithmetic number, because the mean of its divisors is an integer number (47478072).

Almost surely, 2^142434213 is an apocalyptic number.

It is an amenable number.

142434213 is a deficient number, since it is larger than the sum of its proper divisors (47478075).

142434213 is an equidigital number, since it uses as much as digits as its factorization.

142434213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47478074.

The product of its digits is 2304, while the sum is 24.

The square root of 142434213 is about 11934.5805540036. The cubic root of 142434213 is about 522.2415721030.

Adding to 142434213 its reverse (312434241), we get a palindrome (454868454).

The spelling of 142434213 in words is "one hundred forty-two million, four hundred thirty-four thousand, two hundred thirteen".