144364775 has 6 divisors (see below), whose sum is σ = 179012352. Its totient is φ = 115491800.

The previous prime is 144364747. The next prime is 144364783. The reversal of 144364775 is 577463441.

It is not a de Polignac number, because 144364775 - 2²⁶ = 77255911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2887271 + ... + 2887320.

It is an arithmetic number, because the mean of its divisors is an integer number (29835392).

Almost surely, 2^144364775 is an apocalyptic number.

144364775 is a deficient number, since it is larger than the sum of its proper divisors (34647577).

144364775 is an equidigital number, since it uses as much as digits as its factorization.

144364775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5774601 (or 5774596 counting only the distinct ones).

The product of its digits is 282240, while the sum is 41.

The square root of 144364775 is about 12015.1893451581. The cubic root of 144364775 is about 524.5904894245.

The spelling of 144364775 in words is "one hundred forty-four million, three hundred sixty-four thousand, seven hundred seventy-five".