144441616 has 20 divisors (see below), whose sum is σ = 305297424. Its totient is φ = 65655200.

The previous prime is 144441607. The next prime is 144441623. The reversal of 144441616 is 616144441.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410170 + ... + 410521.

Almost surely, 2^144441616 is an apocalyptic number.

144441616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144441616 is an abundant number, since it is smaller than the sum of its proper divisors (160855808).

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

144441616 is a wasteful number, since it uses less digits than its factorization.

144441616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820710 (or 820704 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 144441616 is about 12018.3865805690. The cubic root of 144441616 is about 524.6835474621.

It can be divided in two parts, 1444 and 41616, that multiplied together give a square (60093504 = 7752²).

The spelling of 144441616 in words is "one hundred forty-four million, four hundred forty-one thousand, six hundred sixteen".