14245552021 has 8 divisors (see below), whose sum is σ = 14866295040. Its totient is φ = 13624923312.

The previous prime is 14245552019. The next prime is 14245552037. The reversal of 14245552021 is 12025554241.

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 14245552021 - 2¹ = 14245552019 is a prime.

It is a super-4 number, since 4×14245552021⁴ (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14245552921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313195 + ... + 355783.

It is an arithmetic number, because the mean of its divisors is an integer number (1858286880).

Almost surely, 2^14245552021 is an apocalyptic number.

It is an amenable number.

14245552021 is a deficient number, since it is larger than the sum of its proper divisors (620743019).

14245552021 is a wasteful number, since it uses less digits than its factorization.

14245552021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57155.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 14245552021 in words is "fourteen billion, two hundred forty-five million, five hundred fifty-two thousand, twenty-one".