142244211 has 8 divisors (see below), whose sum is σ = 194284944. Its totient is φ = 92516480.

The previous prime is 142244197. The next prime is 142244227. The reversal of 142244211 is 112442241.

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

It is a cyclic number.

It is not a de Polignac number, because 142244211 - 2¹⁰ = 142243187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142244251) 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, 578106 + ... + 578351.

It is an arithmetic number, because the mean of its divisors is an integer number (24285618).

Almost surely, 2^142244211 is an apocalyptic number.

142244211 is a deficient number, since it is larger than the sum of its proper divisors (52040733).

142244211 is a wasteful number, since it uses less digits than its factorization.

142244211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156501.

The product of its digits is 512, while the sum is 21.

The square root of 142244211 is about 11926.6177519027. The cubic root of 142244211 is about 522.0092517554.

Adding to 142244211 its reverse (112442241), we get a palindrome (254686452).

The spelling of 142244211 in words is "one hundred forty-two million, two hundred forty-four thousand, two hundred eleven".