18144053 has 4 divisors (see below), whose sum is σ = 18769740. Its totient is φ = 17518368.

The previous prime is 18144043. The next prime is 18144059. The reversal of 18144053 is 35044181.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35044181 = 2063 ⋅16987.

It can be written as a sum of positive squares in 2 ways, for example, as 14691889 + 3452164 = 3833^2 + 1858^2 .

It is a cyclic number.

It is not a de Polignac number, because 18144053 - 2⁶ = 18143989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18144059) 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 3 ways as a sum of consecutive naturals, for example, 312800 + ... + 312857.

It is an arithmetic number, because the mean of its divisors is an integer number (4692435).

Almost surely, 2^18144053 is an apocalyptic number.

It is an amenable number.

18144053 is a deficient number, since it is larger than the sum of its proper divisors (625687).

18144053 is an equidigital number, since it uses as much as digits as its factorization.

18144053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625686.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 18144053 is about 4259.5836651016. The cubic root of 18144053 is about 262.7714042512.

The spelling of 18144053 in words is "eighteen million, one hundred forty-four thousand, fifty-three".