144047 has 4 divisors (see below), whose sum is σ = 144840. Its totient is φ = 143256.

The previous prime is 144037. The next prime is 144061. The reversal of 144047 is 740441.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 740441 = 13 ⋅56957.

It is a cyclic number.

It is not a de Polignac number, because 144047 - 2⁴ = 144031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144037) 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, 29 + ... + 537.

It is an arithmetic number, because the mean of its divisors is an integer number (36210).

2¹⁴⁴⁰⁴⁷ is an apocalyptic number.

144047 is a deficient number, since it is larger than the sum of its proper divisors (793).

144047 is an equidigital number, since it uses as much as digits as its factorization.

144047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 144047 is about 379.5352421054. The cubic root of 144047 is about 52.4205298030.

Adding to 144047 its reverse (740441), we get a palindrome (884488).

The spelling of 144047 in words is "one hundred forty-four thousand, forty-seven", and thus it is an iban number.