144441320 has 32 divisors (see below), whose sum is σ = 325343520. Its totient is φ = 57714240.

The previous prime is 144441317. The next prime is 144441379. The reversal of 144441320 is 23144441.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59735 + ... + 62105.

It is an arithmetic number, because the mean of its divisors is an integer number (10166985).

Almost surely, 2^144441320 is an apocalyptic number.

144441320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144441320 is an abundant number, since it is smaller than the sum of its proper divisors (180902200).

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

144441320 is a wasteful number, since it uses less digits than its factorization.

144441320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905 (or 3901 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 144441320 is about 12018.3742660977. The cubic root of 144441320 is about 524.6831890556.

Adding to 144441320 its reverse (23144441), we get a palindrome (167585761).

The spelling of 144441320 in words is "one hundred forty-four million, four hundred forty-one thousand, three hundred twenty".