13289500145 has 4 divisors (see below), whose sum is σ = 15947400180. Its totient is φ = 10631600112.

The previous prime is 13289500141. The next prime is 13289500177. The reversal of 13289500145 is 54100598231.

It is a happy number.

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 4945043041 + 8344457104 = 70321^2 + 91348^2 .

It is a cyclic number.

It is not a de Polignac number, because 13289500145 - 2² = 13289500141 is a prime.

It is a super-2 number, since 2×13289500145² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13289500099 and 13289500108.

It is not an unprimeable number, because it can be changed into a prime (13289500141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1328950010 + ... + 1328950019.

It is an arithmetic number, because the mean of its divisors is an integer number (3986850045).

Almost surely, 2^13289500145 is an apocalyptic number.

It is an amenable number.

13289500145 is a deficient number, since it is larger than the sum of its proper divisors (2657900035).

13289500145 is an equidigital number, since it uses as much as digits as its factorization.

13289500145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657900034.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 13289500145 in words is "thirteen billion, two hundred eighty-nine million, five hundred thousand, one hundred forty-five".