43380144 has 40 divisors (see below), whose sum is σ = 124518320. Its totient is φ = 14459904.

The previous prime is 43380137. The next prime is 43380167. The reversal of 43380144 is 44108334.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49777 + ... + 50640.

It is an arithmetic number, because the mean of its divisors is an integer number (3112958).

Almost surely, 2^43380144 is an apocalyptic number.

It is an amenable number.

43380144 is an abundant number, since it is smaller than the sum of its proper divisors (81138176).

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

43380144 is a wasteful number, since it uses less digits than its factorization.

43380144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100434 (or 100422 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 43380144 is about 6586.3604517214. The cubic root of 43380144 is about 351.3691783711.

Adding to 43380144 its reverse (44108334), we get a palindrome (87488478).

The spelling of 43380144 in words is "forty-three million, three hundred eighty thousand, one hundred forty-four".