144444441 has 16 divisors (see below), whose sum is σ = 203019840. Its totient is φ = 91097280.

The previous prime is 144444437. The next prime is 144444457.

144444441 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 144444441 - 2² = 144444437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144444399 and 144444408.

It is not an unprimeable number, because it can be changed into a prime (144444431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52291 + ... + 54983.

It is an arithmetic number, because the mean of its divisors is an integer number (12688740).

Almost surely, 2^144444441 is an apocalyptic number.

It is an amenable number.

144444441 is a deficient number, since it is larger than the sum of its proper divisors (58575399).

144444441 is a wasteful number, since it uses less digits than its factorization.

144444441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656.

The product of its digits is 16384, while the sum is 30.

The square root of 144444441 is about 12018.5041082491. The cubic root of 144444441 is about 524.6869680399.

The spelling of 144444441 in words is "one hundred forty-four million, four hundred forty-four thousand, four hundred forty-one".