18154033 has 2 divisors, whose sum is σ = 18154034. Its totient is φ = 18154032.

The previous prime is 18153997. The next prime is 18154049. The reversal of 18154033 is 33045181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18079504 + 74529 = 4252^2 + 273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18154033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18153989 and 18154007.

It is not a weakly prime, because it can be changed into another prime (18154093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9077016 + 9077017.

It is an arithmetic number, because the mean of its divisors is an integer number (9077017).

Almost surely, 2^18154033 is an apocalyptic number.

It is an amenable number.

18154033 is a deficient number, since it is larger than the sum of its proper divisors (1).

18154033 is an equidigital number, since it uses as much as digits as its factorization.

18154033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 18154033 is about 4260.7549800476. The cubic root of 18154033 is about 262.8195738992.

The spelling of 18154033 in words is "eighteen million, one hundred fifty-four thousand, thirty-three".