142223106 has 16 divisors (see below), whose sum is σ = 284701248. Its totient is φ = 47365200.

The previous prime is 142223093. The next prime is 142223141. The reversal of 142223106 is 601322241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2950 + ... + 17121.

It is an arithmetic number, because the mean of its divisors is an integer number (17793828).

Almost surely, 2^142223106 is an apocalyptic number.

142223106 is an abundant number, since it is smaller than the sum of its proper divisors (142478142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142223106 is a wasteful number, since it uses less digits than its factorization.

142223106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21257.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 142223106 is about 11925.7329334511. The cubic root of 142223106 is about 521.9834333639.

Adding to 142223106 its reverse (601322241), we get a palindrome (743545347).

The spelling of 142223106 in words is "one hundred forty-two million, two hundred twenty-three thousand, one hundred six".