144401403234 has 64 divisors (see below), whose sum is σ = 321372499968. Its totient is φ = 42882840000.

The previous prime is 144401403203. The next prime is 144401403299. The reversal of 144401403234 is 432304104441.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3065359 + ... + 3112109.

It is an arithmetic number, because the mean of its divisors is an integer number (5021445312).

Almost surely, 2^144401403234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144401403234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160686249984).

144401403234 is an abundant number, since it is smaller than the sum of its proper divisors (176971096734).

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

144401403234 is a wasteful number, since it uses less digits than its factorization.

144401403234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47703.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 144401403234 its reverse (432304104441), we get a palindrome (576705507675).

The spelling of 144401403234 in words is "one hundred forty-four billion, four hundred one million, four hundred three thousand, two hundred thirty-four".