142234211 has 8 divisors (see below), whose sum is σ = 165871200. Its totient is φ = 121914744.

The previous prime is 142234201. The next prime is 142234217. The reversal of 142234211 is 112432241.

It is not a de Polignac number, because 142234211 - 2¹⁰ = 142233187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142234217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206996 + ... + 207681.

It is an arithmetic number, because the mean of its divisors is an integer number (20733900).

Almost surely, 2^142234211 is an apocalyptic number.

142234211 is a deficient number, since it is larger than the sum of its proper divisors (23636989).

142234211 is an frugal number, since it uses more digits than its factorization.

142234211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414698 (or 414684 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 142234211 is about 11926.1985141955. The cubic root of 142234211 is about 521.9970187682.

Adding to 142234211 its reverse (112432241), we get a palindrome (254666452).

The spelling of 142234211 in words is "one hundred forty-two million, two hundred thirty-four thousand, two hundred eleven".