144019819 has 2 divisors, whose sum is σ = 144019820. Its totient is φ = 144019818.

The previous prime is 144019793. The next prime is 144019823. The reversal of 144019819 is 918910441.

It is a strong prime.

It is an emirp because it is prime and its reverse (918910441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144019819 - 2⁵ = 144019787 is a prime.

It is a super-2 number, since 2×144019819² = 41483416529585522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144019849) by changing a digit.

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 as a sum of consecutive naturals, namely, 72009909 + 72009910.

It is an arithmetic number, because the mean of its divisors is an integer number (72009910).

Almost surely, 2^144019819 is an apocalyptic number.

144019819 is a deficient number, since it is larger than the sum of its proper divisors (1).

144019819 is an equidigital number, since it uses as much as digits as its factorization.

144019819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 144019819 is about 12000.8257632548. The cubic root of 144019819 is about 524.1723242543.

The spelling of 144019819 in words is "one hundred forty-four million, nineteen thousand, eight hundred nineteen".