33050145 has 16 divisors (see below), whose sum is σ = 53626752. Its totient is φ = 17377920.

The previous prime is 33050117. The next prime is 33050153. The reversal of 33050145 is 54105033.

It is not a de Polignac number, because 33050145 - 2⁶ = 33050081 is a prime.

It is a Curzon number.

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, 14452 + ... + 16581.

It is an arithmetic number, because the mean of its divisors is an integer number (3351672).

Almost surely, 2^33050145 is an apocalyptic number.

It is an amenable number.

33050145 is a deficient number, since it is larger than the sum of its proper divisors (20576607).

33050145 is a wasteful number, since it uses less digits than its factorization.

33050145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31112.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 33050145 is about 5748.9255517879. The cubic root of 33050145 is about 320.9158172510.

Adding to 33050145 its reverse (54105033), we get a palindrome (87155178).

The spelling of 33050145 in words is "thirty-three million, fifty thousand, one hundred forty-five".