144400432302 has 96 divisors (see below), whose sum is σ = 366163012800. Its totient is φ = 41109949440.

The previous prime is 144400432271. The next prime is 144400432303. The reversal of 144400432302 is 203234004441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144400432303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1693278 + ... + 1776510.

It is an arithmetic number, because the mean of its divisors is an integer number (3814198050).

Almost surely, 2^144400432302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144400432302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183081506400).

144400432302 is an abundant number, since it is smaller than the sum of its proper divisors (221762580498).

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

144400432302 is a wasteful number, since it uses less digits than its factorization.

144400432302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83543 (or 83526 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 144400432302 its reverse (203234004441), we get a palindrome (347634436743).

The spelling of 144400432302 in words is "one hundred forty-four billion, four hundred million, four hundred thirty-two thousand, three hundred two".