286249144 has 16 divisors (see below), whose sum is σ = 537493320. Its totient is φ = 142917600.

The previous prime is 286249127. The next prime is 286249157. The reversal of 286249144 is 441942682.

It is a super-3 number, since 3×286249144³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 286249097 and 286249106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19914 + ... + 31129.

Almost surely, 2^286249144 is an apocalyptic number.

It is an amenable number.

286249144 is a deficient number, since it is larger than the sum of its proper divisors (251244176).

286249144 is a wasteful number, since it uses less digits than its factorization.

286249144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51750 (or 51746 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 286249144 is about 16918.8990185532. The cubic root of 286249144 is about 659.0444881594.

The spelling of 286249144 in words is "two hundred eighty-six million, two hundred forty-nine thousand, one hundred forty-four".