144340336 has 120 divisors (see below), whose sum is σ = 354914784. Its totient is φ = 55480320.

The previous prime is 144340333. The next prime is 144340349. The reversal of 144340336 is 633043441.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144340333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3356731 + ... + 3356773.

Almost surely, 2^144340336 is an apocalyptic number.

144340336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144340336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177457392).

144340336 is an abundant number, since it is smaller than the sum of its proper divisors (210574448).

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

144340336 is a wasteful number, since it uses less digits than its factorization.

144340336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 144340336 is about 12014.1722977490. The cubic root of 144340336 is about 524.5608857337.

Adding to 144340336 its reverse (633043441), we get a palindrome (777383777).

The spelling of 144340336 in words is "one hundred forty-four million, three hundred forty thousand, three hundred thirty-six".