13523225145 has 8 divisors (see below), whose sum is σ = 21637160256. Its totient is φ = 7212386736.

The previous prime is 13523225143. The next prime is 13523225147. The reversal of 13523225145 is 54152232531.

It is an interprime number because it is at equal distance from previous prime (13523225143) and next prime (13523225147).

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

It is not a de Polignac number, because 13523225145 - 2¹ = 13523225143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13523225143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450774157 + ... + 450774186.

It is an arithmetic number, because the mean of its divisors is an integer number (2704645032).

Almost surely, 2^13523225145 is an apocalyptic number.

13523225145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13523225145 is a deficient number, since it is larger than the sum of its proper divisors (8113935111).

13523225145 is an equidigital number, since it uses as much as digits as its factorization.

13523225145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901548351.

The product of its digits is 36000, while the sum is 33.

Adding to 13523225145 its reverse (54152232531), we get a palindrome (67675457676).

The spelling of 13523225145 in words is "thirteen billion, five hundred twenty-three million, two hundred twenty-five thousand, one hundred forty-five".