286045 has 8 divisors (see below), whose sum is σ = 361440. Its totient is φ = 216720.

The previous prime is 286043. The next prime is 286049. The reversal of 286045 is 540682.

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

It is not a de Polignac number, because 286045 - 2¹ = 286043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1411 + ... + 1600.

It is an arithmetic number, because the mean of its divisors is an integer number (45180).

2²⁸⁶⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

286045 is a deficient number, since it is larger than the sum of its proper divisors (75395).

286045 is a wasteful number, since it uses less digits than its factorization.

286045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 286045 is about 534.8317492446. The cubic root of 286045 is about 65.8887780880. Note that the first 3 decimals are identical.

The spelling of 286045 in words is "two hundred eighty-six thousand, forty-five".