14919143 has 2 divisors, whose sum is σ = 14919144. Its totient is φ = 14919142.

The previous prime is 14919139. The next prime is 14919187. The reversal of 14919143 is 34191941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14919143 - 2² = 14919139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14919643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7459571 + 7459572.

It is an arithmetic number, because the mean of its divisors is an integer number (7459572).

Almost surely, 2^14919143 is an apocalyptic number.

14919143 is a deficient number, since it is larger than the sum of its proper divisors (1).

14919143 is an equidigital number, since it uses as much as digits as its factorization.

14919143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 32.

The square root of 14919143 is about 3862.5306471276. The cubic root of 14919143 is about 246.1772743401.

The spelling of 14919143 in words is "fourteen million, nine hundred nineteen thousand, one hundred forty-three".