144161165544 has 32 divisors (see below), whose sum is σ = 393166815840. Its totient is φ = 43685201600.

The previous prime is 144161165543. The next prime is 144161165557. The reversal of 144161165544 is 445561161441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144161165496 and 144161165505.

It is not an unprimeable number, because it can be changed into a prime (144161165543) 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, 273032247 + ... + 273032774.

It is an arithmetic number, because the mean of its divisors is an integer number (12286462995).

Almost surely, 2^144161165544 is an apocalyptic number.

It is an amenable number.

144161165544 is an abundant number, since it is smaller than the sum of its proper divisors (249005650296).

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

144161165544 is a wasteful number, since it uses less digits than its factorization.

144161165544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546065041 (or 546065037 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The spelling of 144161165544 in words is "one hundred forty-four billion, one hundred sixty-one million, one hundred sixty-five thousand, five hundred forty-four".