18285278045 has 8 divisors (see below), whose sum is σ = 23097193440. Its totient is φ = 13858315920.

The previous prime is 18285278029. The next prime is 18285278051. The reversal of 18285278045 is 54087258281.

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

It is not a de Polignac number, because 18285278045 - 2⁴ = 18285278029 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18285277984 and 18285278002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96238211 + ... + 96238400.

It is an arithmetic number, because the mean of its divisors is an integer number (2887149180).

Almost surely, 2^18285278045 is an apocalyptic number.

It is an amenable number.

18285278045 is a deficient number, since it is larger than the sum of its proper divisors (4811915395).

18285278045 is a wasteful number, since it uses less digits than its factorization.

18285278045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192476635.

The product of its (nonzero) digits is 1433600, while the sum is 50.

The spelling of 18285278045 in words is "eighteen billion, two hundred eighty-five million, two hundred seventy-eight thousand, forty-five".