144134406 has 48 divisors (see below), whose sum is σ = 339459120. Its totient is φ = 43934400.

The previous prime is 144134387. The next prime is 144134411. The reversal of 144134406 is 604431441.

It is a self number, because there is not a number n which added to its sum of digits gives 144134406.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 22681 + ... + 28331.

It is an arithmetic number, because the mean of its divisors is an integer number (7072065).

Almost surely, 2^144134406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144134406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169729560).

144134406 is an abundant number, since it is smaller than the sum of its proper divisors (195324714).

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

144134406 is a wasteful number, since it uses less digits than its factorization.

144134406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5781 (or 5778 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 144134406 is about 12005.5989438262. The cubic root of 144134406 is about 524.3113037644.

Adding to 144134406 its reverse (604431441), we get a palindrome (748565847).

The spelling of 144134406 in words is "one hundred forty-four million, one hundred thirty-four thousand, four hundred six".