142162211 has 16 divisors (see below), whose sum is σ = 156854880. Its totient is φ = 128286720.

The previous prime is 142162193. The next prime is 142162213. The reversal of 142162211 is 112261241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 142162211 - 2¹⁴ = 142145827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142162213) 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 15 ways as a sum of consecutive naturals, for example, 39395 + ... + 42851.

It is an arithmetic number, because the mean of its divisors is an integer number (9803430).

Almost surely, 2^142162211 is an apocalyptic number.

142162211 is a deficient number, since it is larger than the sum of its proper divisors (14692669).

142162211 is a wasteful number, since it uses less digits than its factorization.

142162211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3574.

The product of its digits is 192, while the sum is 20.

The square root of 142162211 is about 11923.1795675482. The cubic root of 142162211 is about 521.9089243297.

The spelling of 142162211 in words is "one hundred forty-two million, one hundred sixty-two thousand, two hundred eleven".