43841145 has 8 divisors (see below), whose sum is σ = 70145856. Its totient is φ = 23381936.

The previous prime is 43841143. The next prime is 43841153. The reversal of 43841145 is 54114834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43841145 - 2¹ = 43841143 is a prime.

It is a super-2 number, since 2×43841145² = 3844091989822050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43841143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461357 + ... + 1461386.

It is an arithmetic number, because the mean of its divisors is an integer number (8768232).

Almost surely, 2^43841145 is an apocalyptic number.

It is an amenable number.

43841145 is a deficient number, since it is larger than the sum of its proper divisors (26304711).

43841145 is a wasteful number, since it uses less digits than its factorization.

43841145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922751.

The product of its digits is 7680, while the sum is 30.

The square root of 43841145 is about 6621.2646073088. The cubic root of 43841145 is about 352.6094625091.

Adding to 43841145 its reverse (54114834), we get a palindrome (97955979).

The spelling of 43841145 in words is "forty-three million, eight hundred forty-one thousand, one hundred forty-five".