14442191 has 4 divisors (see below), whose sum is σ = 14570112. Its totient is φ = 14314272.

The previous prime is 14442179. The next prime is 14442221. The reversal of 14442191 is 19124441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14442191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14442191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14442121) 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, 63791 + ... + 64016.

It is an arithmetic number, because the mean of its divisors is an integer number (3642528).

Almost surely, 2^14442191 is an apocalyptic number.

14442191 is a deficient number, since it is larger than the sum of its proper divisors (127921).

14442191 is a wasteful number, since it uses less digits than its factorization.

14442191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127920.

The product of its digits is 1152, while the sum is 26.

The square root of 14442191 is about 3800.2882785389. The cubic root of 14442191 is about 243.5254538701.

The spelling of 14442191 in words is "fourteen million, four hundred forty-two thousand, one hundred ninety-one".