144944336 has 10 divisors (see below), whose sum is σ = 280829682. Its totient is φ = 72472160.

The previous prime is 144944323. The next prime is 144944339. The reversal of 144944336 is 633449441.

It can be written as a sum of positive squares in only one way, i.e., 100801600 + 44142736 = 10040^2 + 6644^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 144944336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144944339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4529495 + ... + 4529526.

Almost surely, 2^144944336 is an apocalyptic number.

144944336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

144944336 is a deficient number, since it is larger than the sum of its proper divisors (135885346).

144944336 is an equidigital number, since it uses as much as digits as its factorization.

144944336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9059029 (or 9059023 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The square root of 144944336 is about 12039.2830351313. The cubic root of 144944336 is about 525.2915520437.

The spelling of 144944336 in words is "one hundred forty-four million, nine hundred forty-four thousand, three hundred thirty-six".