144493 has 4 divisors (see below), whose sum is σ = 145728. Its totient is φ = 143260.

The previous prime is 144481. The next prime is 144497. The reversal of 144493 is 394441.

It is a happy number.

144493 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, and also an emirpimes, since its reverse is a distinct semiprime: 394441 = 131 ⋅3011.

It is a cyclic number.

It is not a de Polignac number, because 144493 - 2⁵ = 144461 is a prime.

It is a Duffinian number.

144493 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144497) 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, 421 + ... + 682.

It is an arithmetic number, because the mean of its divisors is an integer number (36432).

2¹⁴⁴⁴⁹³ is an apocalyptic number.

It is an amenable number.

144493 is a deficient number, since it is larger than the sum of its proper divisors (1235).

144493 is a wasteful number, since it uses less digits than its factorization.

144493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234.

The product of its digits is 1728, while the sum is 25.

The square root of 144493 is about 380.1223487247. The cubic root of 144493 is about 52.4745757472.

The spelling of 144493 in words is "one hundred forty-four thousand, four hundred ninety-three".