144671593 has 12 divisors (see below), whose sum is σ = 162408960. Its totient is φ = 128716280.

The previous prime is 144671563. The next prime is 144671627. The reversal of 144671593 is 395176441.

144671593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144671593 - 2¹³ = 144663401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144671533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7033 + ... + 18406.

It is an arithmetic number, because the mean of its divisors is an integer number (13534080).

Almost surely, 2^144671593 is an apocalyptic number.

It is an amenable number.

144671593 is a deficient number, since it is larger than the sum of its proper divisors (17737367).

144671593 is a wasteful number, since it uses less digits than its factorization.

144671593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25508 (or 25497 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 144671593 is about 12027.9504904202. The cubic root of 144671593 is about 524.9618632917.

The spelling of 144671593 in words is "one hundred forty-four million, six hundred seventy-one thousand, five hundred ninety-three".