144043434 has 80 divisors (see below), whose sum is σ = 342416448. Its totient is φ = 45163008.

The previous prime is 144043409. The next prime is 144043439. The reversal of 144043434 is 434340441.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 144043398 and 144043407.

It is not an unprimeable number, because it can be changed into a prime (144043439) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 249354 + ... + 249930.

Almost surely, 2^144043434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144043434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171208224).

144043434 is an abundant number, since it is smaller than the sum of its proper divisors (198373014).

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

144043434 is a wasteful number, since it uses less digits than its factorization.

144043434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 672 counting only the distinct ones).

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

The square root of 144043434 is about 12001.8096135541. The cubic root of 144043434 is about 524.2009722858.

Adding to 144043434 its reverse (434340441), we get a palindrome (578383875).

The spelling of 144043434 in words is "one hundred forty-four million, forty-three thousand, four hundred thirty-four".