142243288 has 16 divisors (see below), whose sum is σ = 290952360. Its totient is φ = 64656000.

The previous prime is 142243279. The next prime is 142243303. The reversal of 142243288 is 882342241.

It is a congruent 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, 808113 + ... + 808288.

Almost surely, 2^142243288 is an apocalyptic number.

It is an amenable number.

142243288 is an abundant number, since it is smaller than the sum of its proper divisors (148709072).

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

142243288 is a wasteful number, since it uses less digits than its factorization.

142243288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616418 (or 1616414 counting only the distinct ones).

The product of its digits is 24576, while the sum is 34.

The square root of 142243288 is about 11926.5790568796. The cubic root of 142243288 is about 522.0081226747.

The spelling of 142243288 in words is "one hundred forty-two million, two hundred forty-three thousand, two hundred eighty-eight".