144829439 has 8 divisors (see below), whose sum is σ = 148093680. Its totient is φ = 141601536.

The previous prime is 144829429. The next prime is 144829441. The reversal of 144829439 is 934928441.

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 144829439 - 2⁴ = 144829423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144829439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144829429) 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, 944 + ... + 17045.

It is an arithmetic number, because the mean of its divisors is an integer number (18511710).

Almost surely, 2^144829439 is an apocalyptic number.

144829439 is a deficient number, since it is larger than the sum of its proper divisors (3264241).

144829439 is an equidigital number, since it uses as much as digits as its factorization.

144829439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18169.

The product of its digits is 248832, while the sum is 44.

The square root of 144829439 is about 12034.5103348661. The cubic root of 144829439 is about 525.1527162677.

The spelling of 144829439 in words is "one hundred forty-four million, eight hundred twenty-nine thousand, four hundred thirty-nine".