142276328 has 8 divisors (see below), whose sum is σ = 266768130. Its totient is φ = 71138160.

The previous prime is 142276279. The next prime is 142276331. The reversal of 142276328 is 823672241.

142276328 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 92121604 + 50154724 = 9598^2 + 7082^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8892263 + ... + 8892278.

Almost surely, 2^142276328 is an apocalyptic number.

It is an amenable number.

142276328 is a deficient number, since it is larger than the sum of its proper divisors (124491802).

142276328 is a wasteful number, since it uses less digits than its factorization.

142276328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17784547 (or 17784543 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 142276328 is about 11927.9641179876. The cubic root of 142276328 is about 522.0485365633.

The spelling of 142276328 in words is "one hundred forty-two million, two hundred seventy-six thousand, three hundred twenty-eight".