284161945 has 8 divisors (see below), whose sum is σ = 341095680. Its totient is φ = 227262000.

The previous prime is 284161937. The next prime is 284162041. The reversal of 284161945 is 549161482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 284161945 - 2³ = 284161937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 284161898 and 284161907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17070 + ... + 29320.

It is an arithmetic number, because the mean of its divisors is an integer number (42636960).

Almost surely, 2^284161945 is an apocalyptic number.

It is an amenable number.

284161945 is a deficient number, since it is larger than the sum of its proper divisors (56933735).

284161945 is a wasteful number, since it uses less digits than its factorization.

284161945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16895.

The product of its digits is 69120, while the sum is 40.

The square root of 284161945 is about 16857.1036954751. The cubic root of 284161945 is about 657.4387611814.

The spelling of 284161945 in words is "two hundred eighty-four million, one hundred sixty-one thousand, nine hundred forty-five".