18463345 has 24 divisors (see below), whose sum is σ = 23948136. Its totient is φ = 13658112.

The previous prime is 18463331. The next prime is 18463351. The reversal of 18463345 is 54336481.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1620529 + 16842816 = 1273^2 + 4104^2 .

It is not a de Polignac number, because 18463345 - 2⁷ = 18463217 is a prime.

It is a Duffinian number.

Its product of digits (34560) is a multiple of the sum of its prime divisors (270).

It is a self number, because there is not a number n which added to its sum of digits gives 18463345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95569 + ... + 95761.

It is an arithmetic number, because the mean of its divisors is an integer number (997839).

Almost surely, 2^18463345 is an apocalyptic number.

It is an amenable number.

18463345 is a deficient number, since it is larger than the sum of its proper divisors (5484791).

18463345 is a wasteful number, since it uses less digits than its factorization.

18463345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 270 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 18463345 is about 4296.8994635667. The cubic root of 18463345 is about 264.3038331172.

The spelling of 18463345 in words is "eighteen million, four hundred sixty-three thousand, three hundred forty-five".