33501145 has 8 divisors (see below), whose sum is σ = 40299840. Its totient is φ = 26735280.

The previous prime is 33501121. The next prime is 33501163. The reversal of 33501145 is 54110533.

It is a happy number.

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

It is not a de Polignac number, because 33501145 - 2¹⁵ = 33468377 is a prime.

It is a super-2 number, since 2×33501145² = 2244653432622050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5901 + ... + 10090.

It is an arithmetic number, because the mean of its divisors is an integer number (5037480).

Almost surely, 2^33501145 is an apocalyptic number.

It is an amenable number.

33501145 is a deficient number, since it is larger than the sum of its proper divisors (6798695).

33501145 is a wasteful number, since it uses less digits than its factorization.

33501145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16415.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 33501145 is about 5788.0173634847. The cubic root of 33501145 is about 322.3689590404.

Adding to 33501145 its reverse (54110533), we get a palindrome (87611678).

The spelling of 33501145 in words is "thirty-three million, five hundred one thousand, one hundred forty-five".