144729 has 12 divisors (see below), whose sum is σ = 225316. Its totient is φ = 88992.

The previous prime is 144719. The next prime is 144731. The reversal of 144729 is 927441.

It is a happy number.

144729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 63504 + 81225 = 252^2 + 285^2 .

It is not a de Polignac number, because 144729 - 2¹³ = 136537 is a prime.

It is an Ulam number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (144709) 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, 502 + ... + 735.

2¹⁴⁴⁷²⁹ is an apocalyptic number.

It is an amenable number.

144729 is a deficient number, since it is larger than the sum of its proper divisors (80587).

144729 is a wasteful number, since it uses less digits than its factorization.

144729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 1253 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 144729 is about 380.4326484412. The cubic root of 144729 is about 52.5031290652.

It can be divided in two parts, 144 and 729, that multiplied together give a 4-th power (104976 = 18⁴).

The spelling of 144729 in words is "one hundred forty-four thousand, seven hundred twenty-nine".