144313325440 has 64 divisors (see below), whose sum is σ = 345939658560. Its totient is φ = 57567946752.

The previous prime is 144313325399. The next prime is 144313325447. The reversal of 144313325440 is 44523313441.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 144313325396 and 144313325405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144313325447) 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, 72327 + ... + 542086.

It is an arithmetic number, because the mean of its divisors is an integer number (5405307165).

Almost surely, 2^144313325440 is an apocalyptic number.

144313325440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144313325440 is an abundant number, since it is smaller than the sum of its proper divisors (201626333120).

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

144313325440 is an equidigital number, since it uses as much as digits as its factorization.

144313325440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614799 (or 614787 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 144313325440 its reverse (44523313441), we get a palindrome (188836638881).

The spelling of 144313325440 in words is "one hundred forty-four billion, three hundred thirteen million, three hundred twenty-five thousand, four hundred forty".