3305211145 has 16 divisors (see below), whose sum is σ = 4257098640. Its totient is φ = 2454534144.

The previous prime is 3305211109. The next prime is 3305211149. The reversal of 3305211145 is 5411125033.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 108326464 + 3196884681 = 10408^2 + 56541^2 .

It is a cyclic number.

It is not a de Polignac number, because 3305211145 - 2⁷ = 3305211017 is a prime.

It is a super-2 number, since 2×3305211145² = 21848841426064422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3305211149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260130 + ... + 272539.

It is an arithmetic number, because the mean of its divisors is an integer number (266068665).

Almost surely, 2^3305211145 is an apocalyptic number.

It is an amenable number.

3305211145 is a deficient number, since it is larger than the sum of its proper divisors (951887495).

3305211145 is a wasteful number, since it uses less digits than its factorization.

3305211145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532764.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 3305211145 is about 57490.9657685449. The cubic root of 3305211145 is about 1489.5888157163.

Adding to 3305211145 its reverse (5411125033), we get a palindrome (8716336178).

The spelling of 3305211145 in words is "three billion, three hundred five million, two hundred eleven thousand, one hundred forty-five".