144567 has 6 divisors (see below), whose sum is σ = 208832. Its totient is φ = 96372.

The previous prime is 144563. The next prime is 144569. The reversal of 144567 is 765441.

It is not a de Polignac number, because 144567 - 2² = 144563 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 144567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8023 + ... + 8040.

2¹⁴⁴⁵⁶⁷ is an apocalyptic number.

144567 is a deficient number, since it is larger than the sum of its proper divisors (64265).

144567 is a wasteful number, since it uses less digits than its factorization.

144567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16069 (or 16066 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 144567 is about 380.2196733469. The cubic root of 144567 is about 52.4835322500.

The spelling of 144567 in words is "one hundred forty-four thousand, five hundred sixty-seven".