33120324145 has 16 divisors (see below), whose sum is σ = 42113278080. Its totient is φ = 24935472000.

The previous prime is 33120324079. The next prime is 33120324173. The reversal of 33120324145 is 54142302133.

It is a happy number.

It is not a de Polignac number, because 33120324145 - 2³³ = 24530389553 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1140076 + ... + 1168765.

It is an arithmetic number, because the mean of its divisors is an integer number (2632079880).

Almost surely, 2^33120324145 is an apocalyptic number.

It is an amenable number.

33120324145 is a deficient number, since it is larger than the sum of its proper divisors (8992953935).

33120324145 is a wasteful number, since it uses less digits than its factorization.

33120324145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309016.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 33120324145 its reverse (54142302133), we get a palindrome (87262626278).

The spelling of 33120324145 in words is "thirty-three billion, one hundred twenty million, three hundred twenty-four thousand, one hundred forty-five".