144339285 has 8 divisors (see below), whose sum is σ = 230942880. Its totient is φ = 76980944.

The previous prime is 144339187. The next prime is 144339287. The reversal of 144339285 is 582933441.

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 144339285 - 2⁷ = 144339157 is a prime.

It is a super-2 number, since 2×144339285² = 41667658388622450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144339287) 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 7 ways as a sum of consecutive naturals, for example, 4811295 + ... + 4811324.

It is an arithmetic number, because the mean of its divisors is an integer number (28867860).

Almost surely, 2^144339285 is an apocalyptic number.

144339285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144339285 is a deficient number, since it is larger than the sum of its proper divisors (86603595).

144339285 is an equidigital number, since it uses as much as digits as its factorization.

144339285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9622627.

The product of its digits is 103680, while the sum is 39.

The square root of 144339285 is about 12014.1285576608. The cubic root of 144339285 is about 524.5596125511.

The spelling of 144339285 in words is "one hundred forty-four million, three hundred thirty-nine thousand, two hundred eighty-five".