144434144 has 48 divisors (see below), whose sum is σ = 293070960. Its totient is φ = 70026240.

The previous prime is 144434131. The next prime is 144434189. The reversal of 144434144 is 441434441.

144434144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×144434144² = 41722443906025472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371102 + ... + 371490.

It is an arithmetic number, because the mean of its divisors is an integer number (6105645).

Almost surely, 2^144434144 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 144434144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146535480).

144434144 is an abundant number, since it is smaller than the sum of its proper divisors (148636816).

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

144434144 is a wasteful number, since it uses less digits than its factorization.

144434144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 715 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

The square root of 144434144 is about 12018.0757195152. The cubic root of 144434144 is about 524.6744999701.

Adding to 144434144 its reverse (441434441), we get a palindrome (585868585).

The spelling of 144434144 in words is "one hundred forty-four million, four hundred thirty-four thousand, one hundred forty-four".