288643142 has 8 divisors (see below), whose sum is σ = 444666576. Its totient is φ = 140420952.

The previous prime is 288643129. The next prime is 288643151. The reversal of 288643142 is 241346882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 288643096 and 288643105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1950218 + ... + 1950365.

It is an arithmetic number, because the mean of its divisors is an integer number (55583322).

Almost surely, 2^288643142 is an apocalyptic number.

288643142 is a deficient number, since it is larger than the sum of its proper divisors (156023434).

288643142 is a wasteful number, since it uses less digits than its factorization.

288643142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900622.

The product of its digits is 73728, while the sum is 38.

The square root of 288643142 is about 16989.5009344006. The cubic root of 288643142 is about 660.8766602621.

The spelling of 288643142 in words is "two hundred eighty-eight million, six hundred forty-three thousand, one hundred forty-two".