218863045 has 8 divisors (see below), whose sum is σ = 262753920. Its totient is φ = 175011600.

The previous prime is 218863039. The next prime is 218863079. The reversal of 218863045 is 540368812.

It is a happy number.

218863045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 218863045 - 2⁵ = 218863013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 218862995 and 218863013.

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, 4176 + ... + 21334.

It is an arithmetic number, because the mean of its divisors is an integer number (32844240).

Almost surely, 2^218863045 is an apocalyptic number.

It is an amenable number.

218863045 is a deficient number, since it is larger than the sum of its proper divisors (43890875).

218863045 is a wasteful number, since it uses less digits than its factorization.

218863045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19715.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 218863045 is about 14794.0205826543. The cubic root of 218863045 is about 602.6393403726.

The spelling of 218863045 in words is "two hundred eighteen million, eight hundred sixty-three thousand, forty-five".