818285345 has 8 divisors (see below), whose sum is σ = 990951720. Its totient is φ = 648622080.

The previous prime is 818285333. The next prime is 818285383. The reversal of 818285345 is 543582818.

It can be written as a sum of positive squares in 4 ways, for example, as 41938576 + 776346769 = 6476^2 + 27863^2 .

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

It is not a de Polignac number, because 818285345 - 2¹⁰ = 818284321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 818285296 and 818285305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750176 + ... + 751265.

It is an arithmetic number, because the mean of its divisors is an integer number (123868965).

Almost surely, 2^818285345 is an apocalyptic number.

It is an amenable number.

818285345 is a deficient number, since it is larger than the sum of its proper divisors (172666375).

818285345 is a wasteful number, since it uses less digits than its factorization.

818285345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501555.

The product of its digits is 307200, while the sum is 44.

The square root of 818285345 is about 28605.6872841748. The cubic root of 818285345 is about 935.3373085940.

The spelling of 818285345 in words is "eight hundred eighteen million, two hundred eighty-five thousand, three hundred forty-five".