43550144 has 28 divisors (see below), whose sum is σ = 94277688. Its totient is φ = 19795200.

The previous prime is 43550137. The next prime is 43550149. The reversal of 43550144 is 44105534.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43550149) 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, 30227 + ... + 31634.

Almost surely, 2^43550144 is an apocalyptic number.

43550144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

43550144 is an abundant number, since it is smaller than the sum of its proper divisors (50727544).

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

43550144 is a wasteful number, since it uses less digits than its factorization.

43550144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61884 (or 61874 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 43550144 is about 6599.2532910929. The cubic root of 43550144 is about 351.8275670599.

Adding to 43550144 its reverse (44105534), we get a palindrome (87655678).

The spelling of 43550144 in words is "forty-three million, five hundred fifty thousand, one hundred forty-four".