282444161 has 4 divisors (see below), whose sum is σ = 282592212. Its totient is φ = 282296112.

The previous prime is 282444143. The next prime is 282444181. The reversal of 282444161 is 161444282.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 215531761 + 66912400 = 14681^2 + 8180^2 .

It is a cyclic number.

It is not a de Polignac number, because 282444161 - 2¹⁴ = 282427777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (282444181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71126 + ... + 74991.

It is an arithmetic number, because the mean of its divisors is an integer number (70648053).

Almost surely, 2^282444161 is an apocalyptic number.

It is an amenable number.

282444161 is a deficient number, since it is larger than the sum of its proper divisors (148051).

282444161 is a wasteful number, since it uses less digits than its factorization.

282444161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148050.

The product of its digits is 12288, while the sum is 32.

The square root of 282444161 is about 16806.0751218124. The cubic root of 282444161 is about 656.1113243365. Note that the first 3 decimals are identical.

The spelling of 282444161 in words is "two hundred eighty-two million, four hundred forty-four thousand, one hundred sixty-one".