285151365 has 12 divisors (see below), whose sum is σ = 494262444. Its totient is φ = 152080704.

The previous prime is 285151343. The next prime is 285151367. The reversal of 285151365 is 563151582.

It is a happy number.

285151365 is a `hidden beast` number, since 2 + 8 + 515 + 136 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 208571364 + 76580001 = 14442^2 + 8751^2 .

It is not a de Polignac number, because 285151365 - 2⁵ = 285151333 is a prime.

It is a super-2 number, since 2×285151365² = 162622601922726450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285151367) 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 11 ways as a sum of consecutive naturals, for example, 3168304 + ... + 3168393.

It is an arithmetic number, because the mean of its divisors is an integer number (41188537).

Almost surely, 2^285151365 is an apocalyptic number.

It is an amenable number.

285151365 is a deficient number, since it is larger than the sum of its proper divisors (209111079).

285151365 is a wasteful number, since it uses less digits than its factorization.

285151365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6336708 (or 6336705 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 285151365 is about 16886.4254654441. The cubic root of 285151365 is about 658.2009199409.

The spelling of 285151365 in words is "two hundred eighty-five million, one hundred fifty-one thousand, three hundred sixty-five".