18348045 has 8 divisors (see below), whose sum is σ = 29356896. Its totient is φ = 9785616.

The previous prime is 18347993. The next prime is 18348047. The reversal of 18348045 is 54084381.

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

It is not a de Polignac number, because 18348045 - 2⁹ = 18347533 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18347997 and 18348015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18348047) 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 7 ways as a sum of consecutive naturals, for example, 611587 + ... + 611616.

It is an arithmetic number, because the mean of its divisors is an integer number (3669612).

Almost surely, 2^18348045 is an apocalyptic number.

18348045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18348045 is a deficient number, since it is larger than the sum of its proper divisors (11008851).

18348045 is a wasteful number, since it uses less digits than its factorization.

18348045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223211.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 18348045 is about 4283.4618009269. The cubic root of 18348045 is about 263.7525085302.

The spelling of 18348045 in words is "eighteen million, three hundred forty-eight thousand, forty-five".