142332211 has 54 divisors (see below), whose sum is σ = 193538940. Its totient is φ = 104049792.

The previous prime is 142332199. The next prime is 142332221. The reversal of 142332211 is 112233241.

It is a happy number.

It is not a de Polignac number, because 142332211 - 2⁹ = 142331699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (142332221) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 6188346 + ... + 6188368.

Almost surely, 2^142332211 is an apocalyptic number.

142332211 is a deficient number, since it is larger than the sum of its proper divisors (51206729).

142332211 is a wasteful number, since it uses less digits than its factorization.

142332211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 66 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 142332211 is about 11930.3064084708. The cubic root of 142332211 is about 522.1168773290.

Multiplying 142332211 by its sum of digits (19), we get a square (2704312009 = 52003²).

142332211 divided by its sum of digits (19) gives a square (7491169 = 2737²).

Adding to 142332211 its reverse (112233241), we get a palindrome (254565452).

The spelling of 142332211 in words is "one hundred forty-two million, three hundred thirty-two thousand, two hundred eleven".