285141 has 8 divisors (see below), whose sum is σ = 402624. Its totient is φ = 178880.

The previous prime is 285139. The next prime is 285151. The reversal of 285141 is 141582.

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

It is a cyclic number.

It is not a de Polignac number, because 285141 - 2¹ = 285139 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 285141.

It is not an unprimeable number, because it can be changed into a prime (285101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2745 + ... + 2846.

It is an arithmetic number, because the mean of its divisors is an integer number (50328).

2²⁸⁵¹⁴¹ is an apocalyptic number.

It is an amenable number.

285141 is a deficient number, since it is larger than the sum of its proper divisors (117483).

285141 is a wasteful number, since it uses less digits than its factorization.

285141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611.

The product of its digits is 320, while the sum is 21.

The square root of 285141 is about 533.9859548715. The cubic root of 285141 is about 65.8192944837.

The spelling of 285141 in words is "two hundred eighty-five thousand, one hundred forty-one".