142547226 has 16 divisors (see below), whose sum is σ = 285246144. Its totient is φ = 47490464.

The previous prime is 142547183. The next prime is 142547299. The reversal of 142547226 is 622745241.

142547226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8611 + ... + 18953.

It is an arithmetic number, because the mean of its divisors is an integer number (17827884).

Almost surely, 2^142547226 is an apocalyptic number.

142547226 is an abundant number, since it is smaller than the sum of its proper divisors (142698918).

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

142547226 is a wasteful number, since it uses less digits than its factorization.

142547226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12645.

The product of its digits is 26880, while the sum is 33.

The square root of 142547226 is about 11939.3143019187. The cubic root of 142547226 is about 522.3796580370.

The spelling of 142547226 in words is "one hundred forty-two million, five hundred forty-seven thousand, two hundred twenty-six".