144344081 has 4 divisors (see below), whose sum is σ = 164964672. Its totient is φ = 123723492.

The previous prime is 144344041. The next prime is 144344089. The reversal of 144344081 is 180443441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180443441 = 23 ⋅7845367.

It is a cyclic number.

It is not a de Polignac number, because 144344081 - 2⁶ = 144344017 is a prime.

It is a super-2 number, since 2×144344081² = 41670427439469122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144344089) 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, 10310285 + ... + 10310298.

It is an arithmetic number, because the mean of its divisors is an integer number (41241168).

Almost surely, 2^144344081 is an apocalyptic number.

It is an amenable number.

144344081 is a deficient number, since it is larger than the sum of its proper divisors (20620591).

144344081 is an equidigital number, since it uses as much as digits as its factorization.

144344081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20620590.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 144344081 is about 12014.3281543331. The cubic root of 144344081 is about 524.5654223809.

The spelling of 144344081 in words is "one hundred forty-four million, three hundred forty-four thousand, eighty-one".