142279312 has 40 divisors (see below), whose sum is σ = 316336896. Its totient is φ = 60727296.

The previous prime is 142279301. The next prime is 142279321. The reversal of 142279312 is 213972241.

It is a congruent number.

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, 26313 + ... + 31255.

Almost surely, 2^142279312 is an apocalyptic number.

It is an amenable number.

142279312 is an abundant number, since it is smaller than the sum of its proper divisors (174057584).

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

142279312 is a wasteful number, since it uses less digits than its factorization.

142279312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5215 (or 5209 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 142279312 is about 11928.0892015444. The cubic root of 142279312 is about 522.0521862262.

The spelling of 142279312 in words is "one hundred forty-two million, two hundred seventy-nine thousand, three hundred twelve".