144840959 has 12 divisors (see below), whose sum is σ = 156194928. Its totient is φ = 134053920.

The previous prime is 144840947. The next prime is 144840967. The reversal of 144840959 is 959048441.

144840959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-144840959 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 (144840989) 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, 18827 + ... + 25379.

It is an arithmetic number, because the mean of its divisors is an integer number (13016244).

Almost surely, 2^144840959 is an apocalyptic number.

144840959 is a deficient number, since it is larger than the sum of its proper divisors (11353969).

144840959 is an equidigital number, since it uses as much as digits as its factorization.

144840959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6638 (or 6607 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 144840959 is about 12034.9889488940. The cubic root of 144840959 is about 525.1666397696.

The spelling of 144840959 in words is "one hundred forty-four million, eight hundred forty thousand, nine hundred fifty-nine".