144254432 has 72 divisors (see below), whose sum is σ = 332756424. Its totient is φ = 61377792.

The previous prime is 144254431. The next prime is 144254443. The reversal of 144254432 is 234452441.

It is a junction number, because it is equal to n+sod(n) for n = 144254395 and 144254404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144254431) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 308663 + ... + 309129.

It is an arithmetic number, because the mean of its divisors is an integer number (4621617).

Almost surely, 2^144254432 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 144254432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166378212).

144254432 is an abundant number, since it is smaller than the sum of its proper divisors (188501992).

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

144254432 is a wasteful number, since it uses less digits than its factorization.

144254432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 673 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 144254432 is about 12010.5966546213. The cubic root of 144254432 is about 524.4568011282.

The spelling of 144254432 in words is "one hundred forty-four million, two hundred fifty-four thousand, four hundred thirty-two".