142016226 has 32 divisors (see below), whose sum is σ = 312311808. Its totient is φ = 42693840.

The previous prime is 142016207. The next prime is 142016243. The reversal of 142016226 is 622610241.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142016196 and 142016205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90 + ... + 16853.

It is an arithmetic number, because the mean of its divisors is an integer number (9759744).

Almost surely, 2^142016226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142016226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156155904).

142016226 is an abundant number, since it is smaller than the sum of its proper divisors (170295582).

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

142016226 is a wasteful number, since it uses less digits than its factorization.

142016226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17086.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 142016226 is about 11917.0560962009. The cubic root of 142016226 is about 521.7302154014.

Adding to 142016226 its reverse (622610241), we get a palindrome (764626467).

The spelling of 142016226 in words is "one hundred forty-two million, sixteen thousand, two hundred twenty-six".