14245522521 has 16 divisors (see below), whose sum is σ = 20115072000. Its totient is φ = 8936702208.

The previous prime is 14245522463. The next prime is 14245522537. The reversal of 14245522521 is 12522554241.

It is not a de Polignac number, because 14245522521 - 2⁷ = 14245522393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14245522561) 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, 287055 + ... + 333003.

It is an arithmetic number, because the mean of its divisors is an integer number (1257192000).

Almost surely, 2^14245522521 is an apocalyptic number.

It is an amenable number.

14245522521 is a deficient number, since it is larger than the sum of its proper divisors (5869549479).

14245522521 is a wasteful number, since it uses less digits than its factorization.

14245522521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52048.

The product of its digits is 32000, while the sum is 33.

The spelling of 14245522521 in words is "fourteen billion, two hundred forty-five million, five hundred twenty-two thousand, five hundred twenty-one".