818230745 has 8 divisors (see below), whose sum is σ = 982059720. Its totient is φ = 654462720.

The previous prime is 818230739. The next prime is 818230747. The reversal of 818230745 is 547032818.

818230745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 420906256 + 397324489 = 20516^2 + 19933^2 .

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

It is not a de Polignac number, because 818230745 - 2¹⁴ = 818214361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 818230699 and 818230708.

It is not an unprimeable number, because it can be changed into a prime (818230747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23051 + ... + 46559.

It is an arithmetic number, because the mean of its divisors is an integer number (122757465).

Almost surely, 2^818230745 is an apocalyptic number.

It is an amenable number.

818230745 is a deficient number, since it is larger than the sum of its proper divisors (163828975).

818230745 is a wasteful number, since it uses less digits than its factorization.

818230745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30475.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 818230745 is about 28604.7329125793. The cubic root of 818230745 is about 935.3165047048.

The spelling of 818230745 in words is "eight hundred eighteen million, two hundred thirty thousand, seven hundred forty-five".