144971 has 4 divisors (see below), whose sum is σ = 150000. Its totient is φ = 139944.

The previous prime is 144967. The next prime is 144973. The reversal of 144971 is 179441.

144971 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.

It is a cyclic number.

It is not a de Polignac number, because 144971 - 2² = 144967 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 144971.

It is not an unprimeable number, because it can be changed into a prime (144973) 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, 2471 + ... + 2528.

It is an arithmetic number, because the mean of its divisors is an integer number (37500).

2¹⁴⁴⁹⁷¹ is an apocalyptic number.

144971 is a deficient number, since it is larger than the sum of its proper divisors (5029).

144971 is an equidigital number, since it uses as much as digits as its factorization.

144971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028.

The product of its digits is 1008, while the sum is 26.

The square root of 144971 is about 380.7505745235. The cubic root of 144971 is about 52.5323760995.

The spelling of 144971 in words is "one hundred forty-four thousand, nine hundred seventy-one".