18063845 has 8 divisors (see below), whose sum is σ = 21848064. Its totient is φ = 14336784.

The previous prime is 18063833. The next prime is 18063863. The reversal of 18063845 is 54836081.

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

It is a cyclic number.

It is not a de Polignac number, because 18063845 - 2²⁴ = 1286629 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13589 + ... + 14858.

It is an arithmetic number, because the mean of its divisors is an integer number (2731008).

Almost surely, 2^18063845 is an apocalyptic number.

It is an amenable number.

18063845 is a deficient number, since it is larger than the sum of its proper divisors (3784219).

18063845 is a wasteful number, since it uses less digits than its factorization.

18063845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28579.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 18063845 is about 4250.1582323485. The cubic root of 18063845 is about 262.3836279336.

It can be divided in two parts, 180 and 63845, that multiplied together give a square (11492100 = 3390²).

The spelling of 18063845 in words is "eighteen million, sixty-three thousand, eight hundred forty-five".