142536228 has 48 divisors (see below), whose sum is σ = 360360000. Its totient is φ = 43674624.

The previous prime is 142536209. The next prime is 142536281. The reversal of 142536228 is 822635241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648 + ... + 16896.

It is an arithmetic number, because the mean of its divisors is an integer number (7507500).

Almost surely, 2^142536228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142536228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180180000).

142536228 is an abundant number, since it is smaller than the sum of its proper divisors (217823772).

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

142536228 is a wasteful number, since it uses less digits than its factorization.

142536228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16316 (or 16314 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 142536228 is about 11938.8537138203. The cubic root of 142536228 is about 522.3662232398.

The spelling of 142536228 in words is "one hundred forty-two million, five hundred thirty-six thousand, two hundred twenty-eight".