144045441 has 12 divisors (see below), whose sum is σ = 219016720. Its totient is φ = 90975960.

The previous prime is 144045431. The next prime is 144045449. The reversal of 144045441 is 144540441.

It is not a de Polignac number, because 144045441 - 2¹⁹ = 143521153 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144045449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 421015 + ... + 421356.

Almost surely, 2^144045441 is an apocalyptic number.

It is an amenable number.

144045441 is a deficient number, since it is larger than the sum of its proper divisors (74971279).

144045441 is a wasteful number, since it uses less digits than its factorization.

144045441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842396 (or 842393 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 144045441 is about 12001.8932256540. The cubic root of 144045441 is about 524.2034068905.

Adding to 144045441 its reverse (144540441), we get a palindrome (288585882).

The spelling of 144045441 in words is "one hundred forty-four million, forty-five thousand, four hundred forty-one".