144170552012 has 6 divisors (see below), whose sum is σ = 252298466028. Its totient is φ = 72085276004.

The previous prime is 144170551979. The next prime is 144170552017. The reversal of 144170552012 is 210255071441.

It is a self number, because there is not a number n which added to its sum of digits gives 144170552012.

It is not an unprimeable number, because it can be changed into a prime (144170552017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18021318998 + ... + 18021319005.

It is an arithmetic number, because the mean of its divisors is an integer number (42049744338).

Almost surely, 2^144170552012 is an apocalyptic number.

It is an amenable number.

144170552012 is a deficient number, since it is larger than the sum of its proper divisors (108127914016).

144170552012 is a wasteful number, since it uses less digits than its factorization.

144170552012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36042638007 (or 36042638005 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The spelling of 144170552012 in words is "one hundred forty-four billion, one hundred seventy million, five hundred fifty-two thousand, twelve".