144459937 has 6 divisors (see below), whose sum is σ = 146528354. Its totient is φ = 142420320.

The previous prime is 144459929. The next prime is 144459947. The reversal of 144459937 is 739954441.

It can be written as a sum of positive squares in only one way, i.e., 104530176 + 39929761 = 10224^2 + 6319^2 .

It is not a de Polignac number, because 144459937 - 2³ = 144459929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144459947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9288 + ... + 19369.

Almost surely, 2^144459937 is an apocalyptic number.

It is an amenable number.

144459937 is a deficient number, since it is larger than the sum of its proper divisors (2068417).

144459937 is an frugal number, since it uses more digits than its factorization.

144459937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28799 (or 28728 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 144459937 is about 12019.1487635356. The cubic root of 144459937 is about 524.7057301754.

The spelling of 144459937 in words is "one hundred forty-four million, four hundred fifty-nine thousand, nine hundred thirty-seven".