144820829 has 4 divisors (see below), whose sum is σ = 145063200. Its totient is φ = 144578460.

The previous prime is 144820813. The next prime is 144820843. The reversal of 144820829 is 928028441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144820829 - 2⁴ = 144820813 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144820792 and 144820801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144820859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120287 + ... + 121484.

It is an arithmetic number, because the mean of its divisors is an integer number (36265800).

Almost surely, 2^144820829 is an apocalyptic number.

It is an amenable number.

144820829 is a deficient number, since it is larger than the sum of its proper divisors (242371).

144820829 is an equidigital number, since it uses as much as digits as its factorization.

144820829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242370.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 144820829 is about 12034.1526083061. The cubic root of 144820829 is about 525.1423094183.

The spelling of 144820829 in words is "one hundred forty-four million, eight hundred twenty thousand, eight hundred twenty-nine".