144453312140 has 24 divisors (see below), whose sum is σ = 303485042112. Its totient is φ = 57755975040.

The previous prime is 144453312139. The next prime is 144453312161. The reversal of 144453312140 is 41213354441.

It is a junction number, because it is equal to n+sod(n) for n = 144453312097 and 144453312106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537604 + ... + 1628843.

It is an arithmetic number, because the mean of its divisors is an integer number (12645210088).

Almost surely, 2^144453312140 is an apocalyptic number.

144453312140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144453312140 is an abundant number, since it is smaller than the sum of its proper divisors (159031729972).

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

144453312140 is a wasteful number, since it uses less digits than its factorization.

144453312140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3168737 (or 3168735 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 144453312140 its reverse (41213354441), we get a palindrome (185666666581).

The spelling of 144453312140 in words is "one hundred forty-four billion, four hundred fifty-three million, three hundred twelve thousand, one hundred forty".