33168145 has 12 divisors (see below), whose sum is σ = 40259700. Its totient is φ = 26231520.

The previous prime is 33168133. The next prime is 33168151. The reversal of 33168145 is 54186133.

It can be written as a sum of positive squares in 2 ways, for example, as 7524049 + 25644096 = 2743^2 + 5064^2 .

It is not a de Polignac number, because 33168145 - 2¹³ = 33159953 is a prime.

It is a super-2 number, since 2×33168145² = 2200251685482050, which contains 22 as substring.

Its product of digits (8640) is a multiple of the sum of its prime factors (576).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 157090 + ... + 157300.

It is an arithmetic number, because the mean of its divisors is an integer number (3354975).

Almost surely, 2^33168145 is an apocalyptic number.

It is an amenable number.

33168145 is a deficient number, since it is larger than the sum of its proper divisors (7091555).

33168145 is an equidigital number, since it uses as much as digits as its factorization.

33168145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 365 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 33168145 is about 5759.1791949895. The cubic root of 33168145 is about 321.2972889855.

The spelling of 33168145 in words is "thirty-three million, one hundred sixty-eight thousand, one hundred forty-five".