284082145 has 4 divisors (see below), whose sum is σ = 340898580. Its totient is φ = 227265712.

The previous prime is 284082107. The next prime is 284082157. The reversal of 284082145 is 541280482.

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 212459776 + 71622369 = 14576^2 + 8463^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-284082145 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 284082145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28408210 + ... + 28408219.

It is an arithmetic number, because the mean of its divisors is an integer number (85224645).

Almost surely, 2^284082145 is an apocalyptic number.

It is an amenable number.

284082145 is a deficient number, since it is larger than the sum of its proper divisors (56816435).

284082145 is an equidigital number, since it uses as much as digits as its factorization.

284082145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56816434.

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 284082145 is about 16854.7365746250. The cubic root of 284082145 is about 657.3772135019.

The spelling of 284082145 in words is "two hundred eighty-four million, eighty-two thousand, one hundred forty-five".