14145502521 has 8 divisors (see below), whose sum is σ = 19511038080. Its totient is φ = 9105150992.

The previous prime is 14145502513. The next prime is 14145502543. The reversal of 14145502521 is 12520554141.

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

It is a cyclic number.

It is not a de Polignac number, because 14145502521 - 2³ = 14145502513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14145502571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81295905 + ... + 81296078.

It is an arithmetic number, because the mean of its divisors is an integer number (2438879760).

Almost surely, 2^14145502521 is an apocalyptic number.

It is an amenable number.

14145502521 is a deficient number, since it is larger than the sum of its proper divisors (5365535559).

14145502521 is a wasteful number, since it uses less digits than its factorization.

14145502521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162592015.

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 14145502521 in words is "fourteen billion, one hundred forty-five million, five hundred two thousand, five hundred twenty-one".