142304211 has 24 divisors (see below), whose sum is σ = 235245920. Its totient is φ = 81202176.

The previous prime is 142304209. The next prime is 142304221. The reversal of 142304211 is 112403241.

142304211 is a `hidden beast` number, since 14 + 230 + 421 + 1 = 666.

It is not a de Polignac number, because 142304211 - 2¹ = 142304209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142304221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66291 + ... + 68403.

Almost surely, 2^142304211 is an apocalyptic number.

142304211 is a deficient number, since it is larger than the sum of its proper divisors (92941709).

142304211 is a wasteful number, since it uses less digits than its factorization.

142304211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195 (or 3192 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 142304211 is about 11929.1328687378. The cubic root of 142304211 is about 522.0826376414.

Adding to 142304211 its reverse (112403241), we get a palindrome (254707452).

The spelling of 142304211 in words is "one hundred forty-two million, three hundred four thousand, two hundred eleven".