285285151 has 8 divisors (see below), whose sum is σ = 295420320. Its totient is φ = 275169888.

The previous prime is 285285149. The next prime is 285285173. The reversal of 285285151 is 151582582.

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 285285151 - 2¹ = 285285149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 285285151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285285181) 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, 27990 + ... + 36796.

It is an arithmetic number, because the mean of its divisors is an integer number (36927540).

Almost surely, 2^285285151 is an apocalyptic number.

285285151 is a deficient number, since it is larger than the sum of its proper divisors (10135169).

285285151 is a wasteful number, since it uses less digits than its factorization.

285285151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9953.

The product of its digits is 32000, while the sum is 37.

The square root of 285285151 is about 16890.3863484528. The cubic root of 285285151 is about 658.3038410687.

The spelling of 285285151 in words is "two hundred eighty-five million, two hundred eighty-five thousand, one hundred fifty-one".