144240340231020 has 96 divisors (see below), whose sum is σ = 440617388875776. Its totient is φ = 34965076377600.

The previous prime is 144240340231003. The next prime is 144240340231027. The reversal of 144240340231020 is 20132043042441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (144240340231027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3024597 + ... + 17251923.

It is an arithmetic number, because the mean of its divisors is an integer number (4589764467456).

Almost surely, 2^{144240340231020} is an apocalyptic number.

144240340231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144240340231020 is an abundant number, since it is smaller than the sum of its proper divisors (296377048644756).

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

144240340231020 is a wasteful number, since it uses less digits than its factorization.

144240340231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14242711 (or 14242709 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 144240340231020 its reverse (20132043042441), we get a palindrome (164372383273461).

The spelling of 144240340231020 in words is "one hundred forty-four trillion, two hundred forty billion, three hundred forty million, two hundred thirty-one thousand, twenty".