142000211 has 4 divisors (see below), whose sum is σ = 146896800. Its totient is φ = 137103624.

The previous prime is 142000169. The next prime is 142000241. The reversal of 142000211 is 112000241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142000211 - 2¹⁸ = 141738067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142000192 and 142000201.

It is not an unprimeable number, because it can be changed into a prime (142000241) 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, 2448251 + ... + 2448308.

It is an arithmetic number, because the mean of its divisors is an integer number (36724200).

Almost surely, 2^142000211 is an apocalyptic number.

142000211 is a deficient number, since it is larger than the sum of its proper divisors (4896589).

142000211 is an equidigital number, since it uses as much as digits as its factorization.

142000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4896588.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 142000211 is about 11916.3841411730. The cubic root of 142000211 is about 521.7106030333.

Adding to 142000211 its reverse (112000241), we get a palindrome (254000452).

The spelling of 142000211 in words is "one hundred forty-two million, two hundred eleven", and thus it is an aban number.