144949 has 4 divisors (see below), whose sum is σ = 165664. Its totient is φ = 124236.

The previous prime is 144941. The next prime is 144961. The reversal of 144949 is 949441.

144949 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.

It is not a de Polignac number, because 144949 - 2³ = 144941 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 144949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144941) 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, 10347 + ... + 10360.

It is an arithmetic number, because the mean of its divisors is an integer number (41416).

2¹⁴⁴⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

144949 is a deficient number, since it is larger than the sum of its proper divisors (20715).

144949 is an equidigital number, since it uses as much as digits as its factorization.

144949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20714.

The product of its digits is 5184, while the sum is 31.

The square root of 144949 is about 380.7216831230. The cubic root of 144949 is about 52.5297186238.

The spelling of 144949 in words is "one hundred forty-four thousand, nine hundred forty-nine".