144909441 has 12 divisors (see below), whose sum is σ = 214181968. Its totient is φ = 94359384.

The previous prime is 144909439. The next prime is 144909461.

144909441 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 144909441 - 2¹ = 144909439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144909396 and 144909405.

It is not an unprimeable number, because it can be changed into a prime (144909431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186835 + ... + 187608.

Almost surely, 2^144909441 is an apocalyptic number.

It is an amenable number.

144909441 is a deficient number, since it is larger than the sum of its proper divisors (69272527).

144909441 is a wasteful number, since it uses less digits than its factorization.

144909441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374492 (or 374489 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 144909441 is about 12037.8337336915. The cubic root of 144909441 is about 525.2493944348.

The spelling of 144909441 in words is "one hundred forty-four million, nine hundred nine thousand, four hundred forty-one".