18148803 has 8 divisors (see below), whose sum is σ = 24224448. Its totient is φ = 12086184.

The previous prime is 18148799. The next prime is 18148811. The reversal of 18148803 is 30884181.

It is a happy number.

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

It is not a de Polignac number, because 18148803 - 2² = 18148799 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (18148853) 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, 676 + ... + 6062.

It is an arithmetic number, because the mean of its divisors is an integer number (3028056).

Almost surely, 2^18148803 is an apocalyptic number.

18148803 is a deficient number, since it is larger than the sum of its proper divisors (6075645).

18148803 is a wasteful number, since it uses less digits than its factorization.

18148803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 18148803 is about 4260.1411948432. The cubic root of 18148803 is about 262.7943328891.

It can be divided in two parts, 181 and 48803, that added together give a palindrome (48984).

The spelling of 18148803 in words is "eighteen million, one hundred forty-eight thousand, eight hundred three".