144393 has 4 divisors (see below), whose sum is σ = 192528. Its totient is φ = 96260.

The previous prime is 144383. The next prime is 144407. The reversal of 144393 is 393441.

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 144393 - 2⁹ = 143881 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (144323) 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, 24063 + ... + 24068.

It is an arithmetic number, because the mean of its divisors is an integer number (48132).

2¹⁴⁴³⁹³ is an apocalyptic number.

It is an amenable number.

144393 is a deficient number, since it is larger than the sum of its proper divisors (48135).

144393 is an equidigital number, since it uses as much as digits as its factorization.

144393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48134.

The product of its digits is 1296, while the sum is 24.

The square root of 144393 is about 379.9907893621. The cubic root of 144393 is about 52.4624675053.

The spelling of 144393 in words is "one hundred forty-four thousand, three hundred ninety-three".