33133033145 has 4 divisors (see below), whose sum is σ = 39759639780. Its totient is φ = 26506426512.

The previous prime is 33133033139. The next prime is 33133033159. The reversal of 33133033145 is 54133033133.

It is a happy number.

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 25469606464 + 7663426681 = 159592^2 + 87541^2 .

It is a cyclic number.

It is not a de Polignac number, because 33133033145 - 2⁶ = 33133033081 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3313303310 + ... + 3313303319.

It is an arithmetic number, because the mean of its divisors is an integer number (9939909945).

Almost surely, 2^33133033145 is an apocalyptic number.

It is an amenable number.

33133033145 is a deficient number, since it is larger than the sum of its proper divisors (6626606635).

33133033145 is an equidigital number, since it uses as much as digits as its factorization.

33133033145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6626606634.

The product of its (nonzero) digits is 14580, while the sum is 29.

Adding to 33133033145 its reverse (54133033133), we get a palindrome (87266066278).

The spelling of 33133033145 in words is "thirty-three billion, one hundred thirty-three million, thirty-three thousand, one hundred forty-five".