285495161 has 8 divisors (see below), whose sum is σ = 345473280. Its totient is φ = 230315328.

The previous prime is 285495139. The next prime is 285495193. The reversal of 285495161 is 161594582.

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 285495161 - 2¹⁰ = 285494137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285495131) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1199441 + ... + 1199678.

It is an arithmetic number, because the mean of its divisors is an integer number (43184160).

Almost surely, 2^285495161 is an apocalyptic number.

It is an amenable number.

285495161 is a deficient number, since it is larger than the sum of its proper divisors (59978119).

285495161 is a wasteful number, since it uses less digits than its factorization.

285495161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399143.

The product of its digits is 86400, while the sum is 41.

The square root of 285495161 is about 16896.6020548511. The cubic root of 285495161 is about 658.4653361894.

The spelling of 285495161 in words is "two hundred eighty-five million, four hundred ninety-five thousand, one hundred sixty-one".