18335545 has 8 divisors (see below), whose sum is σ = 22216896. Its totient is φ = 14525616.

The previous prime is 18335543. The next prime is 18335549. The reversal of 18335545 is 54553381.

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 18335545 - 2¹ = 18335543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18335545.

It is not an unprimeable number, because it can be changed into a prime (18335543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17287 + ... + 18316.

It is an arithmetic number, because the mean of its divisors is an integer number (2777112).

Almost surely, 2^18335545 is an apocalyptic number.

It is an amenable number.

18335545 is a deficient number, since it is larger than the sum of its proper divisors (3881351).

18335545 is a wasteful number, since it uses less digits than its factorization.

18335545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35711.

The product of its digits is 36000, while the sum is 34.

The square root of 18335545 is about 4282.0024521245. The cubic root of 18335545 is about 263.6925992349.

The spelling of 18335545 in words is "eighteen million, three hundred thirty-five thousand, five hundred forty-five".