33608145 has 16 divisors (see below), whose sum is σ = 54077760. Its totient is φ = 17822784.

The previous prime is 33608143. The next prime is 33608171. The reversal of 33608145 is 54180633.

It is not a de Polignac number, because 33608145 - 2¹ = 33608143 is a prime.

It is a super-2 number, since 2×33608145² = 2259014820682050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33608143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3574 + ... + 8943.

It is an arithmetic number, because the mean of its divisors is an integer number (3379860).

Almost surely, 2^33608145 is an apocalyptic number.

It is an amenable number.

33608145 is a deficient number, since it is larger than the sum of its proper divisors (20469615).

33608145 is a wasteful number, since it uses less digits than its factorization.

33608145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12704.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 33608145 is about 5797.2532289007. The cubic root of 33608145 is about 322.7118012577.

Adding to 33608145 its reverse (54180633), we get a palindrome (87788778).

The spelling of 33608145 in words is "thirty-three million, six hundred eight thousand, one hundred forty-five".