43144122401 has 8 divisors (see below), whose sum is σ = 45687242664. Its totient is φ = 40601583360.

The previous prime is 43144122383. The next prime is 43144122421. The reversal of 43144122401 is 10422144134.

It can be written as a sum of positive squares in 4 ways, for example, as 14869363600 + 28274758801 = 121940^2 + 168151^2 .

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 43144122401 - 2¹⁸ = 43143860257 is a prime.

It is a super-2 number, since 2×43144122401² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43144122421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12431 + ... + 294011.

It is an arithmetic number, because the mean of its divisors is an integer number (5710905333).

Almost surely, 2^43144122401 is an apocalyptic number.

It is an amenable number.

43144122401 is a deficient number, since it is larger than the sum of its proper divisors (2543120263).

43144122401 is a wasteful number, since it uses less digits than its factorization.

43144122401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290611.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 43144122401 its reverse (10422144134), we get a palindrome (53566266535).

The spelling of 43144122401 in words is "forty-three billion, one hundred forty-four million, one hundred twenty-two thousand, four hundred one".