18148033 has 4 divisors (see below), whose sum is σ = 18366768. Its totient is φ = 17929300.

The previous prime is 18148007. The next prime is 18148037. The reversal of 18148033 is 33084181.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18148033 - 2⁵ = 18148001 is a prime.

It is a super-2 number, since 2×18148033² = 658702203538178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18147992 and 18148010.

It is not an unprimeable number, because it can be changed into a prime (18148037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109243 + ... + 109408.

It is an arithmetic number, because the mean of its divisors is an integer number (4591692).

Almost surely, 2^18148033 is an apocalyptic number.

It is an amenable number.

18148033 is a deficient number, since it is larger than the sum of its proper divisors (218735).

18148033 is an equidigital number, since it uses as much as digits as its factorization.

18148033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218734.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 18148033 is about 4260.0508212931. The cubic root of 18148033 is about 262.7906163079.

The spelling of 18148033 in words is "eighteen million, one hundred forty-eight thousand, thirty-three".