144252 has 18 divisors (see below), whose sum is σ = 364728. Its totient is φ = 48072.

The previous prime is 144247. The next prime is 144253. The reversal of 144252 is 252441.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 144252.

It is not an unprimeable number, because it can be changed into a prime (144253) 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, 1968 + ... + 2039.

2¹⁴⁴²⁵² is an apocalyptic number.

144252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144252 is an abundant number, since it is smaller than the sum of its proper divisors (220476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144252 is a wasteful number, since it uses less digits than its factorization.

144252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4017 (or 4012 counting only the distinct ones).

The product of its digits is 320, while the sum is 18.

The square root of 144252 is about 379.8052132344. The cubic root of 144252 is about 52.4453853822.

Adding to 144252 its reverse (252441), we get a palindrome (396693).

It can be divided in two parts, 1 and 44252, that added together give a triangular number (44253 = T₂₉₇).

The spelling of 144252 in words is "one hundred forty-four thousand, two hundred fifty-two".