144440520521127 has 4 divisors (see below), whose sum is σ = 192587360694840. Its totient is φ = 96293680347416.

The previous prime is 144440520520997. The next prime is 144440520521147. The reversal of 144440520521127 is 721125025044441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144440520521127 - 2²² = 144440516326823 is a prime.

It is a super-2 number, since 2×144440520521127² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144440520521147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24073420086852 + ... + 24073420086857.

It is an arithmetic number, because the mean of its divisors is an integer number (48146840173710).

Almost surely, 2^{144440520521127} is an apocalyptic number.

144440520521127 is a deficient number, since it is larger than the sum of its proper divisors (48146840173713).

144440520521127 is an equidigital number, since it uses as much as digits as its factorization.

144440520521127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48146840173712.

The product of its (nonzero) digits is 358400, while the sum is 42.

Adding to 144440520521127 its reverse (721125025044441), we get a palindrome (865565545565568).

The spelling of 144440520521127 in words is "one hundred forty-four trillion, four hundred forty billion, five hundred twenty million, five hundred twenty-one thousand, one hundred twenty-seven".