14445919 has 4 divisors (see below), whose sum is σ = 14594944. Its totient is φ = 14296896.

The previous prime is 14445913. The next prime is 14445923. The reversal of 14445919 is 91954441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14445919 - 2³ = 14445911 is a prime.

It is a super-4 number, since 4×14445919⁴ (a number of 30 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14445911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74367 + ... + 74560.

It is an arithmetic number, because the mean of its divisors is an integer number (3648736).

Almost surely, 2^14445919 is an apocalyptic number.

14445919 is a deficient number, since it is larger than the sum of its proper divisors (149025).

14445919 is an equidigital number, since it uses as much as digits as its factorization.

14445919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149024.

The product of its digits is 25920, while the sum is 37.

The square root of 14445919 is about 3800.7787359961. The cubic root of 14445919 is about 243.5464060185.

The spelling of 14445919 in words is "fourteen million, four hundred forty-five thousand, nine hundred nineteen".