144505340 has 48 divisors (see below), whose sum is σ = 352519104. Its totient is φ = 48729600.

The previous prime is 144505301. The next prime is 144505349. The reversal of 144505340 is 43505441.

144505340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144505349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80 + ... + 17000.

It is an arithmetic number, because the mean of its divisors is an integer number (7344148).

Almost surely, 2^144505340 is an apocalyptic number.

144505340 is a gapful number since it is divisible by the number (10) 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 144505340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176259552).

144505340 is an abundant number, since it is smaller than the sum of its proper divisors (208013764).

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

144505340 is a wasteful number, since it uses less digits than its factorization.

144505340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16998 (or 16996 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 144505340 is about 12021.0373928376. The cubic root of 144505340 is about 524.7606951698.

The spelling of 144505340 in words is "one hundred forty-four million, five hundred five thousand, three hundred forty".