144443984 has 20 divisors (see below), whose sum is σ = 286687380. Its totient is φ = 70460160.

The previous prime is 144443953. The next prime is 144443993. The reversal of 144443984 is 489344441.

It can be written as a sum of positive squares in 2 ways, for example, as 47224384 + 97219600 = 6872^2 + 9860^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109439 + ... + 110750.

It is an arithmetic number, because the mean of its divisors is an integer number (14334369).

Almost surely, 2^144443984 is an apocalyptic number.

It is an amenable number.

144443984 is a deficient number, since it is larger than the sum of its proper divisors (142243396).

144443984 is a wasteful number, since it uses less digits than its factorization.

144443984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220238 (or 220232 counting only the distinct ones).

The product of its digits is 221184, while the sum is 41.

The square root of 144443984 is about 12018.4850958846. The cubic root of 144443984 is about 524.6864146963.

The spelling of 144443984 in words is "one hundred forty-four million, four hundred forty-three thousand, nine hundred eighty-four".