144623719 has 2 divisors, whose sum is σ = 144623720. Its totient is φ = 144623718.

The previous prime is 144623693. The next prime is 144623761. The reversal of 144623719 is 917326441.

144623719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144623719 - 2⁹ = 144623207 is a prime.

It is a super-2 number, since 2×144623719² = 41832040194781922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144623789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72311859 + 72311860.

It is an arithmetic number, because the mean of its divisors is an integer number (72311860).

Almost surely, 2^144623719 is an apocalyptic number.

144623719 is a deficient number, since it is larger than the sum of its proper divisors (1).

144623719 is an equidigital number, since it uses as much as digits as its factorization.

144623719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 144623719 is about 12025.9602111432. The cubic root of 144623719 is about 524.9039509852.

It can be divided in two parts, 14462 and 3719, that added together give a palindrome (18181).

The spelling of 144623719 in words is "one hundred forty-four million, six hundred twenty-three thousand, seven hundred nineteen".