144273 has 4 divisors (see below), whose sum is σ = 192368. Its totient is φ = 96180.

The previous prime is 144271. The next prime is 144289. The reversal of 144273 is 372441.

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: 372441 = 3 ⋅124147.

It is not a de Polignac number, because 144273 - 2¹ = 144271 is a prime.

It is a D-number.

It is a Duffinian number.

144273 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (144271) 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, 24043 + ... + 24048.

It is an arithmetic number, because the mean of its divisors is an integer number (48092).

2¹⁴⁴²⁷³ is an apocalyptic number.

It is an amenable number.

144273 is a deficient number, since it is larger than the sum of its proper divisors (48095).

144273 is an equidigital number, since it uses as much as digits as its factorization.

144273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48094.

The product of its digits is 672, while the sum is 21.

The square root of 144273 is about 379.8328579783. The cubic root of 144273 is about 52.4479302334.

The spelling of 144273 in words is "one hundred forty-four thousand, two hundred seventy-three", and thus it is an iban number.