285151316 has 24 divisors (see below), whose sum is σ = 543396000. Its totient is φ = 130413024.

The previous prime is 285151261. The next prime is 285151333. The reversal of 285151316 is 613151582.

It is a super-2 number, since 2×285151316² = 162622546033063712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 62486 + ... + 66893.

It is an arithmetic number, because the mean of its divisors is an integer number (22641500).

Almost surely, 2^285151316 is an apocalyptic number.

It is an amenable number.

285151316 is a deficient number, since it is larger than the sum of its proper divisors (258244684).

285151316 is a wasteful number, since it uses less digits than its factorization.

285151316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129431 (or 129429 counting only the distinct ones).

The product of its digits is 7200, while the sum is 32.

The square root of 285151316 is about 16886.4240145745. The cubic root of 285151316 is about 658.2008822394.

The spelling of 285151316 in words is "two hundred eighty-five million, one hundred fifty-one thousand, three hundred sixteen".