144534144 has 64 divisors (see below), whose sum is σ = 397188000. Its totient is φ = 46513152.

The previous prime is 144534107. The next prime is 144534157. The reversal of 144534144 is 441435441.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4647 + ... + 17625.

Almost surely, 2^144534144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144534144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198594000).

144534144 is an abundant number, since it is smaller than the sum of its proper divisors (252653856).

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

144534144 is a wasteful number, since it uses less digits than its factorization.

144534144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13025 (or 13013 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 144534144 is about 12022.2353994588. The cubic root of 144534144 is about 524.7955594013.

Adding to 144534144 its reverse (441435441), we get a palindrome (585969585).

The spelling of 144534144 in words is "one hundred forty-four million, five hundred thirty-four thousand, one hundred forty-four".