3243130145 has 4 divisors (see below), whose sum is σ = 3891756180. Its totient is φ = 2594504112.

The previous prime is 3243130091. The next prime is 3243130151. The reversal of 3243130145 is 5410313423.

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 819734161 + 2423395984 = 28631^2 + 49228^2 .

It is a cyclic number.

It is not a de Polignac number, because 3243130145 - 2¹² = 3243126049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324313010 + ... + 324313019.

It is an arithmetic number, because the mean of its divisors is an integer number (972939045).

Almost surely, 2^3243130145 is an apocalyptic number.

It is an amenable number.

3243130145 is a deficient number, since it is larger than the sum of its proper divisors (648626035).

3243130145 is an equidigital number, since it uses as much as digits as its factorization.

3243130145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648626034.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 3243130145 is about 56948.4867665507. The cubic root of 3243130145 is about 1480.2036098312.

Adding to 3243130145 its reverse (5410313423), we get a palindrome (8653443568).

The spelling of 3243130145 in words is "three billion, two hundred forty-three million, one hundred thirty thousand, one hundred forty-five".