144941441 has 4 divisors (see below), whose sum is σ = 145052484. Its totient is φ = 144830400.

The previous prime is 144941431. The next prime is 144941477. The reversal of 144941441 is 144149441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144149441 = 23 ⋅6267367.

It can be written as a sum of positive squares in 2 ways, for example, as 129504400 + 15437041 = 11380^2 + 3929^2 .

It is a cyclic number.

It is not a de Polignac number, because 144941441 - 2¹⁴ = 144925057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144941398 and 144941407.

It is not an unprimeable number, because it can be changed into a prime (144941431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53540 + ... + 56181.

It is an arithmetic number, because the mean of its divisors is an integer number (36263121).

Almost surely, 2^144941441 is an apocalyptic number.

It is an amenable number.

144941441 is a deficient number, since it is larger than the sum of its proper divisors (111043).

144941441 is a wasteful number, since it uses less digits than its factorization.

144941441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111042.

The product of its digits is 9216, while the sum is 32.

The square root of 144941441 is about 12039.1628031188. The cubic root of 144941441 is about 525.2880547720.

The spelling of 144941441 in words is "one hundred forty-four million, nine hundred forty-one thousand, four hundred forty-one".