142281608 has 16 divisors (see below), whose sum is σ = 304889280. Its totient is φ = 60977808.

The previous prime is 142281583. The next prime is 142281641. The reversal of 142281608 is 806182241.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270316 + ... + 1270427.

It is an arithmetic number, because the mean of its divisors is an integer number (19055580).

Almost surely, 2^142281608 is an apocalyptic number.

It is an amenable number.

142281608 is an abundant number, since it is smaller than the sum of its proper divisors (162607672).

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

142281608 is a wasteful number, since it uses less digits than its factorization.

142281608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540756 (or 2540752 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 142281608 is about 11928.1854445678. The cubic root of 142281608 is about 522.0549943772.

The spelling of 142281608 in words is "one hundred forty-two million, two hundred eighty-one thousand, six hundred eight".