288142 has 4 divisors (see below), whose sum is σ = 432216. Its totient is φ = 144070.

The previous prime is 288137. The next prime is 288179. The reversal of 288142 is 241882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241882 = 2 ⋅120941.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72034 + ... + 72037.

It is an arithmetic number, because the mean of its divisors is an integer number (108054).

2²⁸⁸¹⁴² is an apocalyptic number.

288142 is a deficient number, since it is larger than the sum of its proper divisors (144074).

288142 is a wasteful number, since it uses less digits than its factorization.

288142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144073.

The product of its digits is 1024, while the sum is 25.

The square root of 288142 is about 536.7885989847. The cubic root of 288142 is about 66.0493967517.

The spelling of 288142 in words is "two hundred eighty-eight thousand, one hundred forty-two".