43143144444 has 36 divisors (see below), whose sum is σ = 112816845960. Its totient is φ = 13885149600.

The previous prime is 43143144433. The next prime is 43143144481. The reversal of 43143144444 is 44444134134.

43143144444 is a `hidden beast` number, since 4 + 31 + 43 + 144 + 444 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×43143144444² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 43143144399 and 43143144408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20661382 + ... + 20663469.

Almost surely, 2^43143144444 is an apocalyptic number.

It is an amenable number.

43143144444 is an abundant number, since it is smaller than the sum of its proper divisors (69673701516).

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

43143144444 is a wasteful number, since it uses less digits than its factorization.

43143144444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41324890 (or 41324885 counting only the distinct ones).

The product of its digits is 147456, while the sum is 36.

Adding to 43143144444 its reverse (44444134134), we get a palindrome (87587278578).

The spelling of 43143144444 in words is "forty-three billion, one hundred forty-three million, one hundred forty-four thousand, four hundred forty-four".