142653228 has 12 divisors (see below), whose sum is σ = 332857560. Its totient is φ = 47551072.

The previous prime is 142653221. The next prime is 142653229. The reversal of 142653228 is 822356241.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (142653221) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5943873 + ... + 5943896.

It is an arithmetic number, because the mean of its divisors is an integer number (27738130).

Almost surely, 2^142653228 is an apocalyptic number.

It is an amenable number.

142653228 is an abundant number, since it is smaller than the sum of its proper divisors (190204332).

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

142653228 is a wasteful number, since it uses less digits than its factorization.

142653228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11887776 (or 11887774 counting only the distinct ones).

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

The square root of 142653228 is about 11943.7526766088. The cubic root of 142653228 is about 522.5091112015.

The spelling of 142653228 in words is "one hundred forty-two million, six hundred fifty-three thousand, two hundred twenty-eight".