13204145245 has 8 divisors (see below), whose sum is σ = 15865800120. Its totient is φ = 10549432320.

The previous prime is 13204145203. The next prime is 13204145249. The reversal of 13204145245 is 54254140231.

It can be written as a sum of positive squares in 4 ways, for example, as 1094683396 + 12109461849 = 33086^2 + 110043^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13204145245 - 2⁷ = 13204145117 is a prime.

It is a super-2 number, since 2×13204145245² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13204145249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1731300 + ... + 1738909.

It is an arithmetic number, because the mean of its divisors is an integer number (1983225015).

Almost surely, 2^13204145245 is an apocalyptic number.

It is an amenable number.

13204145245 is a deficient number, since it is larger than the sum of its proper divisors (2661654875).

13204145245 is an equidigital number, since it uses as much as digits as its factorization.

13204145245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470975.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 13204145245 its reverse (54254140231), we get a palindrome (67458285476).

The spelling of 13204145245 in words is "thirteen billion, two hundred four million, one hundred forty-five thousand, two hundred forty-five".