144321020432240 has 40 divisors (see below), whose sum is σ = 335579332494528. Its totient is φ = 57722737637120.

The previous prime is 144321020432209. The next prime is 144321020432269. The reversal of 144321020432240 is 42234020123441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 144321020432197 and 144321020432206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87782552 + ... + 89411511.

Almost surely, 2^{144321020432240} is an apocalyptic number.

144321020432240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144321020432240 is an abundant number, since it is smaller than the sum of its proper divisors (191258312062288).

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

144321020432240 is a wasteful number, since it uses less digits than its factorization.

144321020432240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177204257 (or 177204251 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 144321020432240 its reverse (42234020123441), we get a palindrome (186555040555681).

The spelling of 144321020432240 in words is "one hundred forty-four trillion, three hundred twenty-one billion, twenty million, four hundred thirty-two thousand, two hundred forty".