43144113 has 16 divisors (see below), whose sum is σ = 63559296. Its totient is φ = 25893120.

The previous prime is 43144111. The next prime is 43144121. The reversal of 43144113 is 31144134.

It is not a de Polignac number, because 43144113 - 2¹ = 43144111 is a prime.

It is a super-2 number, since 2×43144113² = 3722828973113538, which contains 22 as substring.

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 43144113.

It is not an unprimeable number, because it can be changed into a prime (43144111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17218 + ... + 19563.

It is an arithmetic number, because the mean of its divisors is an integer number (3972456).

Almost surely, 2^43144113 is an apocalyptic number.

It is an amenable number.

43144113 is a deficient number, since it is larger than the sum of its proper divisors (20415183).

43144113 is a wasteful number, since it uses less digits than its factorization.

43144113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36824.

The product of its digits is 576, while the sum is 21.

The square root of 43144113 is about 6568.4178460265. The cubic root of 43144113 is about 350.7307534941.

Adding to 43144113 its sum of digits (21), we get a palindrome (43144134).

Adding to 43144113 its reverse (31144134), we get a palindrome (74288247).

It can be divided in two parts, 431 and 44113, that added together give a palindrome (44544).

The spelling of 43144113 in words is "forty-three million, one hundred forty-four thousand, one hundred thirteen".