144423273 has 8 divisors (see below), whose sum is σ = 195202528. Its totient is φ = 94963104.

The previous prime is 144423271. The next prime is 144423287. The reversal of 144423273 is 372324441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144423273 - 2¹ = 144423271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144423273.

It is not an unprimeable number, because it can be changed into a prime (144423271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329515 + ... + 329952.

It is an arithmetic number, because the mean of its divisors is an integer number (24400316).

Almost surely, 2^144423273 is an apocalyptic number.

It is an amenable number.

144423273 is a deficient number, since it is larger than the sum of its proper divisors (50779255).

144423273 is an equidigital number, since it uses as much as digits as its factorization.

144423273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659543.

The product of its digits is 16128, while the sum is 30.

The square root of 144423273 is about 12017.6234339407. The cubic root of 144423273 is about 524.6613362324.

The spelling of 144423273 in words is "one hundred forty-four million, four hundred twenty-three thousand, two hundred seventy-three".