144454423540040 has 32 divisors (see below), whose sum is σ = 325400826096000. Its totient is φ = 57714503081664.

The previous prime is 144454423540001. The next prime is 144454423540043. The reversal of 144454423540040 is 40045324454441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144454423539973 and 144454423540000.

It is not an unprimeable number, because it can be changed into a prime (144454423540043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2102038160 + ... + 2102106879.

It is an arithmetic number, because the mean of its divisors is an integer number (10168775815500).

Almost surely, 2^{144454423540040} is an apocalyptic number.

144454423540040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144454423540040 is an abundant number, since it is smaller than the sum of its proper divisors (180946402555960).

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

144454423540040 is a wasteful number, since it uses less digits than its factorization.

144454423540040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204145909 (or 4204145905 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 44.

Adding to 144454423540040 its reverse (40045324454441), we get a palindrome (184499747994481).

The spelling of 144454423540040 in words is "one hundred forty-four trillion, four hundred fifty-four billion, four hundred twenty-three million, five hundred forty thousand, forty".