144589943 has 8 divisors (see below), whose sum is σ = 154780800. Its totient is φ = 134657208.

The previous prime is 144589927. The next prime is 144589957. The reversal of 144589943 is 349985441.

144589943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144589943 - 2⁴ = 144589927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144589993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63371 + ... + 65612.

It is an arithmetic number, because the mean of its divisors is an integer number (19347600).

Almost surely, 2^144589943 is an apocalyptic number.

144589943 is a deficient number, since it is larger than the sum of its proper divisors (10190857).

144589943 is a wasteful number, since it uses less digits than its factorization.

144589943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129061.

The product of its digits is 622080, while the sum is 47.

The square root of 144589943 is about 12024.5558337928. Note that the first 3 decimals coincide. The cubic root of 144589943 is about 524.8630850831.

The spelling of 144589943 in words is "one hundred forty-four million, five hundred eighty-nine thousand, nine hundred forty-three".