144121302340 has 48 divisors (see below), whose sum is σ = 316241735040. Its totient is φ = 55067316480.

The previous prime is 144121302323. The next prime is 144121302379. The reversal of 144121302340 is 43203121441.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127960 + ... + 551920.

It is an arithmetic number, because the mean of its divisors is an integer number (6588369480).

Almost surely, 2^144121302340 is an apocalyptic number.

144121302340 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 144121302340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158120867520).

144121302340 is an abundant number, since it is smaller than the sum of its proper divisors (172120432700).

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

144121302340 is a wasteful number, since it uses less digits than its factorization.

144121302340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424732 (or 424730 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 144121302340 its reverse (43203121441), we get a palindrome (187324423781).

The spelling of 144121302340 in words is "one hundred forty-four billion, one hundred twenty-one million, three hundred two thousand, three hundred forty".