33342145 has 4 divisors (see below), whose sum is σ = 40010580. Its totient is φ = 26673712.

The previous prime is 33342121. The next prime is 33342167. The reversal of 33342145 is 54124333.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17842176 + 15499969 = 4224^2 + 3937^2 .

It is a cyclic number.

It is not a de Polignac number, because 33342145 - 2¹⁵ = 33309377 is a prime.

It is a super-2 number, since 2×33342145² = 2223397266402050, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 3334210 + ... + 3334219.

It is an arithmetic number, because the mean of its divisors is an integer number (10002645).

Almost surely, 2^33342145 is an apocalyptic number.

It is an amenable number.

33342145 is a deficient number, since it is larger than the sum of its proper divisors (6668435).

33342145 is an equidigital number, since it uses as much as digits as its factorization.

33342145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668434.

The product of its digits is 4320, while the sum is 25.

The square root of 33342145 is about 5774.2657541890. The cubic root of 33342145 is about 321.8581509388.

Adding to 33342145 its reverse (54124333), we get a palindrome (87466478).

The spelling of 33342145 in words is "thirty-three million, three hundred forty-two thousand, one hundred forty-five".