287300142 has 16 divisors (see below), whose sum is σ = 638444880. Its totient is φ = 95766696.

The previous prime is 287300131. The next prime is 287300171. The reversal of 287300142 is 241003782.

It is a super-3 number, since 3×287300142³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 2660133 + ... + 2660240.

It is an arithmetic number, because the mean of its divisors is an integer number (39902805).

Almost surely, 2^287300142 is an apocalyptic number.

287300142 is an abundant number, since it is smaller than the sum of its proper divisors (351144738).

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

287300142 is a wasteful number, since it uses less digits than its factorization.

287300142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5320384 (or 5320378 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 287300142 is about 16949.9304423352. The cubic root of 287300142 is about 659.8500899195.

The spelling of 287300142 in words is "two hundred eighty-seven million, three hundred thousand, one hundred forty-two".