14421745 has 8 divisors (see below), whose sum is σ = 18637416. Its totient is φ = 10649856.

The previous prime is 14421731. The next prime is 14421767. The reversal of 14421745 is 54712441.

It can be written as a sum of positive squares in 4 ways, for example, as 613089 + 13808656 = 783^2 + 3716^2 .

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 14421745 - 2⁹ = 14421233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110872 + ... + 111001.

It is an arithmetic number, because the mean of its divisors is an integer number (2329677).

Almost surely, 2^14421745 is an apocalyptic number.

It is an amenable number.

14421745 is a deficient number, since it is larger than the sum of its proper divisors (4215671).

14421745 is a wasteful number, since it uses less digits than its factorization.

14421745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221891.

The product of its digits is 4480, while the sum is 28.

The square root of 14421745 is about 3797.5972666938. The cubic root of 14421745 is about 243.4104788651.

The spelling of 14421745 in words is "fourteen million, four hundred twenty-one thousand, seven hundred forty-five".