43144252168 has 16 divisors (see below), whose sum is σ = 80900424000. Its totient is φ = 21570805776.

The previous prime is 43144252163. The next prime is 43144252187. The reversal of 43144252168 is 86125244134.

It is a happy number.

It is a super-2 number, since 2×43144252168² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43144252168.

It is not an unprimeable number, because it can be changed into a prime (43144252163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18508 + ... + 294331.

It is an arithmetic number, because the mean of its divisors is an integer number (5056276500).

Almost surely, 2^43144252168 is an apocalyptic number.

It is an amenable number.

43144252168 is a deficient number, since it is larger than the sum of its proper divisors (37756171832).

43144252168 is a wasteful number, since it uses less digits than its factorization.

43144252168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330084 (or 330080 counting only the distinct ones).

The product of its digits is 184320, while the sum is 40.

The spelling of 43144252168 in words is "forty-three billion, one hundred forty-four million, two hundred fifty-two thousand, one hundred sixty-eight".