144189324 has 36 divisors (see below), whose sum is σ = 364974064. Its totient is φ = 47997792.

The previous prime is 144189319. The next prime is 144189329. The reversal of 144189324 is 423981441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144189319) and next prime (144189329).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×144189324³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (144189329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29289 + ... + 33855.

Almost surely, 2^144189324 is an apocalyptic number.

It is an amenable number.

144189324 is an abundant number, since it is smaller than the sum of its proper divisors (220784740).

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

144189324 is a wasteful number, since it uses less digits than its factorization.

144189324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5454 (or 5449 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 144189324 is about 12007.8859088517. The cubic root of 144189324 is about 524.3778862289.

The spelling of 144189324 in words is "one hundred forty-four million, one hundred eighty-nine thousand, three hundred twenty-four".