144414539 has 8 divisors (see below), whose sum is σ = 151100160. Its totient is φ = 137762856.

The previous prime is 144414521. The next prime is 144414563. The reversal of 144414539 is 935414441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144414539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144414499 and 144414508.

It is not an unprimeable number, because it can be changed into a prime (144414239) 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, 434 + ... + 17000.

It is an arithmetic number, because the mean of its divisors is an integer number (18887520).

Almost surely, 2^144414539 is an apocalyptic number.

144414539 is a deficient number, since it is larger than the sum of its proper divisors (6685621).

144414539 is a wasteful number, since it uses less digits than its factorization.

144414539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16969.

The product of its digits is 34560, while the sum is 35.

The square root of 144414539 is about 12017.2600454513. The cubic root of 144414539 is about 524.6507597179.

The spelling of 144414539 in words is "one hundred forty-four million, four hundred fourteen thousand, five hundred thirty-nine".