284811045 has 32 divisors (see below), whose sum is σ = 481852800. Its totient is φ = 143253504.

The previous prime is 284810983. The next prime is 284811049. The reversal of 284811045 is 540118482.

It is not a de Polignac number, because 284811045 - 2⁸ = 284810789 is a prime.

It is a super-2 number, since 2×284811045² = 162234662707984050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 284810997 and 284811015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284811049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64261 + ... + 68549.

It is an arithmetic number, because the mean of its divisors is an integer number (15057900).

Almost surely, 2^284811045 is an apocalyptic number.

It is an amenable number.

284811045 is a deficient number, since it is larger than the sum of its proper divisors (197041755).

284811045 is a wasteful number, since it uses less digits than its factorization.

284811045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549.

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 284811045 is about 16876.3457241193. The cubic root of 284811045 is about 657.9389677103.

The spelling of 284811045 in words is "two hundred eighty-four million, eight hundred eleven thousand, forty-five".