144539322 has 8 divisors (see below), whose sum is σ = 289078656. Its totient is φ = 48179772.

The previous prime is 144539303. The next prime is 144539323. The reversal of 144539322 is 223935441.

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

144539322 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (144539323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12044938 + ... + 12044949.

It is an arithmetic number, because the mean of its divisors is an integer number (36134832).

Almost surely, 2^144539322 is an apocalyptic number.

144539322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144539322 is a wasteful number, since it uses less digits than its factorization.

144539322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24089892.

The product of its digits is 25920, while the sum is 33.

The square root of 144539322 is about 12022.4507484955. The cubic root of 144539322 is about 524.8018263379.

The spelling of 144539322 in words is "one hundred forty-four million, five hundred thirty-nine thousand, three hundred twenty-two".