144452320 has 24 divisors (see below), whose sum is σ = 341268984. Its totient is φ = 57780864.

The previous prime is 144452293. The next prime is 144452323. The reversal of 144452320 is 23254441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144452323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451254 + ... + 451573.

It is an arithmetic number, because the mean of its divisors is an integer number (14219541).

Almost surely, 2^144452320 is an apocalyptic number.

144452320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144452320 is an abundant number, since it is smaller than the sum of its proper divisors (196816664).

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

144452320 is an equidigital number, since it uses as much as digits as its factorization.

144452320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902842 (or 902834 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 144452320 is about 12018.8318899966. The cubic root of 144452320 is about 524.6965078866.

The spelling of 144452320 in words is "one hundred forty-four million, four hundred fifty-two thousand, three hundred twenty".