13447500144 has 80 divisors (see below), whose sum is σ = 37488683904. Its totient is φ = 4129171200.

The previous prime is 13447500083. The next prime is 13447500167. The reversal of 13447500144 is 44100574431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284439 + ... + 328329.

Almost surely, 2^13447500144 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 13447500144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18744341952).

13447500144 is an abundant number, since it is smaller than the sum of its proper divisors (24041183760).

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

13447500144 is a wasteful number, since it uses less digits than its factorization.

13447500144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44406 (or 44400 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

It can be divided in two parts, 13447 and 500144, that added together give a triangular number (513591 = T₁₀₁₃).

The spelling of 13447500144 in words is "thirteen billion, four hundred forty-seven million, five hundred thousand, one hundred forty-four".