13345305144 has 64 divisors (see below), whose sum is σ = 34616743200. Its totient is φ = 4282220544.

The previous prime is 13345305143. The next prime is 13345305163. The reversal of 13345305144 is 44150354331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13345305143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206104 + ... + 263000.

Almost surely, 2^13345305144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13345305144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17308371600).

13345305144 is an abundant number, since it is smaller than the sum of its proper divisors (21271438056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13345305144 is a wasteful number, since it uses less digits than its factorization.

13345305144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57272 (or 57268 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 13345305144 its reverse (44150354331), we get a palindrome (57495659475).

The spelling of 13345305144 in words is "thirteen billion, three hundred forty-five million, three hundred five thousand, one hundred forty-four".