3033220145 has 4 divisors (see below), whose sum is σ = 3639864180. Its totient is φ = 2426576112.

The previous prime is 3033220133. The next prime is 3033220147. The reversal of 3033220145 is 5410223303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5410223303 = 28871 ⋅187393.

It can be written as a sum of positive squares in 2 ways, for example, as 1356890896 + 1676329249 = 36836^2 + 40943^2 .

It is a cyclic number.

It is not a de Polignac number, because 3033220145 - 2³⁰ = 1959478321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3033220145.

It is not an unprimeable number, because it can be changed into a prime (3033220147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303322010 + ... + 303322019.

It is an arithmetic number, because the mean of its divisors is an integer number (909966045).

Almost surely, 2^3033220145 is an apocalyptic number.

It is an amenable number.

3033220145 is a deficient number, since it is larger than the sum of its proper divisors (606644035).

3033220145 is an equidigital number, since it uses as much as digits as its factorization.

3033220145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606644034.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 3033220145 is about 55074.6778928393. The cubic root of 3033220145 is about 1447.5535671415.

Adding to 3033220145 its reverse (5410223303), we get a palindrome (8443443448).

The spelling of 3033220145 in words is "three billion, thirty-three million, two hundred twenty thousand, one hundred forty-five".