144381673 has 4 divisors (see below), whose sum is σ = 146828880. Its totient is φ = 141934468.

The previous prime is 144381667. The next prime is 144381683. The reversal of 144381673 is 376183441.

144381673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 144381673 - 2⁹ = 144381161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144381613) 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, 1223515 + ... + 1223632.

It is an arithmetic number, because the mean of its divisors is an integer number (36707220).

Almost surely, 2^144381673 is an apocalyptic number.

It is an amenable number.

144381673 is a deficient number, since it is larger than the sum of its proper divisors (2447207).

144381673 is an equidigital number, since it uses as much as digits as its factorization.

144381673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447206.

The product of its digits is 48384, while the sum is 37.

The square root of 144381673 is about 12015.8925178282. The cubic root of 144381673 is about 524.6109565231.

The spelling of 144381673 in words is "one hundred forty-four million, three hundred eighty-one thousand, six hundred seventy-three".