43144401 has 4 divisors (see below), whose sum is σ = 57525872. Its totient is φ = 28762932.

The previous prime is 43144391. The next prime is 43144403. The reversal of 43144401 is 10444134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 43144401 - 2⁵ = 43144369 is a prime.

It is a super-2 number, since 2×43144401² = 3722878675297602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43144403) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7190731 + ... + 7190736.

It is an arithmetic number, because the mean of its divisors is an integer number (14381468).

Almost surely, 2^43144401 is an apocalyptic number.

It is an amenable number.

43144401 is a deficient number, since it is larger than the sum of its proper divisors (14381471).

43144401 is a wasteful number, since it uses less digits than its factorization.

43144401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14381470.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 43144401 is about 6568.4397690776. The cubic root of 43144401 is about 350.7315339036.

Adding to 43144401 its reverse (10444134), we get a palindrome (53588535).

The spelling of 43144401 in words is "forty-three million, one hundred forty-four thousand, four hundred one".