284252345 has 16 divisors (see below), whose sum is σ = 380010960. Its totient is φ = 202669824.

The previous prime is 284252327. The next prime is 284252399. The reversal of 284252345 is 543252482.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 50651689 + 233600656 = 7117^2 + 15284^2 .

It is a cyclic number.

It is not a de Polignac number, because 284252345 - 2⁶ = 284252281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73514 + ... + 77283.

It is an arithmetic number, because the mean of its divisors is an integer number (23750685).

Almost surely, 2^284252345 is an apocalyptic number.

It is an amenable number.

284252345 is a deficient number, since it is larger than the sum of its proper divisors (95758615).

284252345 is a wasteful number, since it uses less digits than its factorization.

284252345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150844.

The product of its digits is 76800, while the sum is 35.

The square root of 284252345 is about 16859.7848444160. The cubic root of 284252345 is about 657.5084704485.

The spelling of 284252345 in words is "two hundred eighty-four million, two hundred fifty-two thousand, three hundred forty-five".