144459041 has 4 divisors (see below), whose sum is σ = 146827284. Its totient is φ = 142090800.

The previous prime is 144459017. The next prime is 144459083. The reversal of 144459041 is 140954441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140954441 = 1171 ⋅120371.

It can be written as a sum of positive squares in 2 ways, for example, as 8386816 + 136072225 = 2896^2 + 11665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144459041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144458989 and 144459007.

It is not an unprimeable number, because it can be changed into a prime (144459001) 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, 1184030 + ... + 1184151.

It is an arithmetic number, because the mean of its divisors is an integer number (36706821).

Almost surely, 2^144459041 is an apocalyptic number.

It is an amenable number.

144459041 is a deficient number, since it is larger than the sum of its proper divisors (2368243).

144459041 is an equidigital number, since it uses as much as digits as its factorization.

144459041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368242.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 144459041 is about 12019.1114896235. Note that the first 3 decimals coincide. The cubic root of 144459041 is about 524.7046453595.

The spelling of 144459041 in words is "one hundred forty-four million, four hundred fifty-nine thousand, forty-one".