43144866 has 32 divisors (see below), whose sum is σ = 99187200. Its totient is φ = 13885200.

The previous prime is 43144847. The next prime is 43144879. The reversal of 43144866 is 66844134.

It is a super-2 number, since 2×43144866² = 3722958924315912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 43144866.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12210 + ... + 15341.

It is an arithmetic number, because the mean of its divisors is an integer number (3099600).

Almost surely, 2^43144866 is an apocalyptic number.

43144866 is an abundant number, since it is smaller than the sum of its proper divisors (56042334).

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

43144866 is a wasteful number, since it uses less digits than its factorization.

43144866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27591 (or 27585 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 43144866 is about 6568.4751655160. The cubic root of 43144866 is about 350.7327939325.

It can be divided in two parts, 4314 and 4866, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 43144866 in words is "forty-three million, one hundred forty-four thousand, eight hundred sixty-six".