144933 has 4 divisors (see below), whose sum is σ = 193248. Its totient is φ = 96620.

The previous prime is 144931. The next prime is 144941. The reversal of 144933 is 339441.

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: 339441 = 3 ⋅113147.

It is a cyclic number.

It is not a de Polignac number, because 144933 - 2¹ = 144931 is a prime.

It is a super-4 number, since 4×144933⁴ (a number of 22 digits) contains 4444 as substring.

It is a D-number.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144931) 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, 24153 + ... + 24158.

It is an arithmetic number, because the mean of its divisors is an integer number (48312).

2¹⁴⁴⁹³³ is an apocalyptic number.

It is an amenable number.

144933 is a deficient number, since it is larger than the sum of its proper divisors (48315).

144933 is an equidigital number, since it uses as much as digits as its factorization.

144933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48314.

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

The square root of 144933 is about 380.7006698182. The cubic root of 144933 is about 52.5277857453.

The spelling of 144933 in words is "one hundred forty-four thousand, nine hundred thirty-three".