144019 has 4 divisors (see below), whose sum is σ = 146520. Its totient is φ = 141520.

The previous prime is 144013. The next prime is 144031. The reversal of 144019 is 910441.

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 144019 - 2¹¹ = 141971 is a prime.

It is a super-2 number, since 2×144019² = 41482944722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143987 and 144005.

It is not an unprimeable number, because it can be changed into a prime (144013) 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, 1162 + ... + 1279.

It is an arithmetic number, because the mean of its divisors is an integer number (36630).

2¹⁴⁴⁰¹⁹ is an apocalyptic number.

144019 is a deficient number, since it is larger than the sum of its proper divisors (2501).

144019 is an equidigital number, since it uses as much as digits as its factorization.

144019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 144019 is about 379.4983530926. The cubic root of 144019 is about 52.4171330646.

The spelling of 144019 in words is "one hundred forty-four thousand, nineteen".