144832381015545 has 96 divisors (see below), whose sum is σ = 271876127011200. Its totient is φ = 73143046272384.

The previous prime is 144832381015523. The next prime is 144832381015549. The reversal of 144832381015545 is 545510183238441.

144832381015545 is a `hidden beast` number, since 1 + 4 + 4 + 8 + 3 + 2 + 3 + 81 + 0 + 1 + 554 + 5 = 666.

It is not a de Polignac number, because 144832381015545 - 2²¹ = 144832378918393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144832381015491 and 144832381015500.

It is not an unprimeable number, because it can be changed into a prime (144832381015549) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 100114534 + ... + 101550896.

It is an arithmetic number, because the mean of its divisors is an integer number (2832042989700).

Almost surely, 2^{144832381015545} is an apocalyptic number.

144832381015545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144832381015545 is a deficient number, since it is larger than the sum of its proper divisors (127043745995655).

144832381015545 is a wasteful number, since it uses less digits than its factorization.

144832381015545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438484 (or 1438459 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 54.

The spelling of 144832381015545 in words is "one hundred forty-four trillion, eight hundred thirty-two billion, three hundred eighty-one million, fifteen thousand, five hundred forty-five".