33573145 has 8 divisors (see below), whose sum is σ = 40322304. Its totient is φ = 26835504.

The previous prime is 33573143. The next prime is 33573151. The reversal of 33573145 is 54137533.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33573145 - 2¹ = 33573143 is a prime.

It is a super-2 number, since 2×33573145² = 2254312130382050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33573143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6072 + ... + 10198.

It is an arithmetic number, because the mean of its divisors is an integer number (5040288).

Almost surely, 2^33573145 is an apocalyptic number.

It is an amenable number.

33573145 is a deficient number, since it is larger than the sum of its proper divisors (6749159).

33573145 is a wasteful number, since it uses less digits than its factorization.

33573145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5759.

The product of its digits is 18900, while the sum is 31.

The square root of 33573145 is about 5794.2337716043. The cubic root of 33573145 is about 322.5997367943.

The spelling of 33573145 in words is "thirty-three million, five hundred seventy-three thousand, one hundred forty-five".