3202145545 has 4 divisors (see below), whose sum is σ = 3842574660. Its totient is φ = 2561716432.

The previous prime is 3202145521. The next prime is 3202145549. The reversal of 3202145545 is 5455412023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5455412023 = 31 ⋅175981033.

It can be written as a sum of positive squares in 2 ways, for example, as 941998864 + 2260146681 = 30692^2 + 47541^2 .

It is a cyclic number.

It is not a de Polignac number, because 3202145545 - 2⁹ = 3202145033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3202145549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320214550 + ... + 320214559.

It is an arithmetic number, because the mean of its divisors is an integer number (960643665).

Almost surely, 2^3202145545 is an apocalyptic number.

It is an amenable number.

3202145545 is a deficient number, since it is larger than the sum of its proper divisors (640429115).

3202145545 is an equidigital number, since it uses as much as digits as its factorization.

3202145545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640429114.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 3202145545 is about 56587.5034349458. The cubic root of 3202145545 is about 1473.9418698505.

Adding to 3202145545 its reverse (5455412023), we get a palindrome (8657557568).

The spelling of 3202145545 in words is "three billion, two hundred two million, one hundred forty-five thousand, five hundred forty-five".