144648719 has 2 divisors, whose sum is σ = 144648720. Its totient is φ = 144648718.

The previous prime is 144648709. The next prime is 144648731. The reversal of 144648719 is 917846441.

It is a happy number.

144648719 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 144648719 - 2⁴ = 144648703 is a prime.

It is a super-2 number, since 2×144648719² = 41846503816681922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144648719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144648709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72324359 + 72324360.

It is an arithmetic number, because the mean of its divisors is an integer number (72324360).

Almost surely, 2^144648719 is an apocalyptic number.

144648719 is a deficient number, since it is larger than the sum of its proper divisors (1).

144648719 is an equidigital number, since it uses as much as digits as its factorization.

144648719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 44.

The square root of 144648719 is about 12026.9995842687. Note that the first 3 decimals coincide. The cubic root of 144648719 is about 524.9341946243.

The spelling of 144648719 in words is "one hundred forty-four million, six hundred forty-eight thousand, seven hundred nineteen".