284645945 has 8 divisors (see below), whose sum is σ = 342049344. Its totient is φ = 227400624.

The previous prime is 284645929. The next prime is 284645981. The reversal of 284645945 is 549546482.

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 284645945 - 2⁴ = 284645929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 284645945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35519 + ... + 42788.

It is an arithmetic number, because the mean of its divisors is an integer number (42756168).

Almost surely, 2^284645945 is an apocalyptic number.

It is an amenable number.

284645945 is a deficient number, since it is larger than the sum of its proper divisors (57403399).

284645945 is an equidigital number, since it uses as much as digits as its factorization.

284645945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79039.

The product of its digits is 1382400, while the sum is 47.

The square root of 284645945 is about 16871.4535532656. The cubic root of 284645945 is about 657.8118112187.

The spelling of 284645945 in words is "two hundred eighty-four million, six hundred forty-five thousand, nine hundred forty-five".