18146033 has 4 divisors (see below), whose sum is σ = 18276720. Its totient is φ = 18015348.

The previous prime is 18146027. The next prime is 18146059. The reversal of 18146033 is 33064181.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33064181 = 193 ⋅171317.

It is a cyclic number.

It is not a de Polignac number, because 18146033 - 2⁴ = 18146017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18145993 and 18146011.

It is not an unprimeable number, because it can be changed into a prime (18145033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65135 + ... + 65412.

It is an arithmetic number, because the mean of its divisors is an integer number (4569180).

Almost surely, 2^18146033 is an apocalyptic number.

It is an amenable number.

18146033 is a deficient number, since it is larger than the sum of its proper divisors (130687).

18146033 is a wasteful number, since it uses less digits than its factorization.

18146033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130686.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 18146033 is about 4259.8160758418. The cubic root of 18146033 is about 262.7809623592.

The spelling of 18146033 in words is "eighteen million, one hundred forty-six thousand, thirty-three".