14503143996 has 72 divisors (see below), whose sum is σ = 40048444800. Its totient is φ = 4388856480.

The previous prime is 14503143959. The next prime is 14503143997. The reversal of 14503143996 is 69934130541.

14503143996 is a `hidden beast` number, since 14 + 503 + 1 + 43 + 9 + 96 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14503143997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267865 + ... + 317423.

It is an arithmetic number, because the mean of its divisors is an integer number (556228400).

Almost surely, 2^14503143996 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 14503143996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20024222400).

14503143996 is an abundant number, since it is smaller than the sum of its proper divisors (25545300804).

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

14503143996 is a wasteful number, since it uses less digits than its factorization.

14503143996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50319 (or 50314 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

Adding to 14503143996 its sum of digits (45), we get a square (14503144041 = 120429²).

The spelling of 14503143996 in words is "fourteen billion, five hundred three million, one hundred forty-three thousand, nine hundred ninety-six".