18305150 has 12 divisors (see below), whose sum is σ = 34047672. Its totient is φ = 7322040.

The previous prime is 18305129. The next prime is 18305153. The reversal of 18305150 is 5150381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18305153) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 183002 + ... + 183101.

It is an arithmetic number, because the mean of its divisors is an integer number (2837306).

Almost surely, 2^18305150 is an apocalyptic number.

18305150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18305150 is a deficient number, since it is larger than the sum of its proper divisors (15742522).

18305150 is a wasteful number, since it uses less digits than its factorization.

18305150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366115 (or 366110 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 18305150 is about 4278.4518227976. The cubic root of 18305150 is about 263.5468101051.

The spelling of 18305150 in words is "eighteen million, three hundred five thousand, one hundred fifty".