287344142 has 8 divisors (see below), whose sum is σ = 431203800. Its totient is φ = 143609544.

The previous prime is 287344121. The next prime is 287344153. The reversal of 287344142 is 241443782.

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

It is a super-3 number, since 3×287344142³ (a number of 26 digits) contains 333 as substring.

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, 25292 + ... + 34847.

It is an arithmetic number, because the mean of its divisors is an integer number (53900475).

Almost surely, 2^287344142 is an apocalyptic number.

287344142 is a deficient number, since it is larger than the sum of its proper divisors (143859658).

287344142 is a wasteful number, since it uses less digits than its factorization.

287344142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62530.

The product of its digits is 43008, while the sum is 35.

The square root of 287344142 is about 16951.2283330737. The cubic root of 287344142 is about 659.8837735343.

The spelling of 287344142 in words is "two hundred eighty-seven million, three hundred forty-four thousand, one hundred forty-two".