43148117 has 2 divisors, whose sum is σ = 43148118. Its totient is φ = 43148116.

The previous prime is 43148111. The next prime is 43148197. The reversal of 43148117 is 71184134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32330596 + 10817521 = 5686^2 + 3289^2 .

It is a cyclic number.

It is not a de Polignac number, because 43148117 - 2⁸ = 43147861 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43148117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43148111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21574058 + 21574059.

It is an arithmetic number, because the mean of its divisors is an integer number (21574059).

Almost surely, 2^43148117 is an apocalyptic number.

It is an amenable number.

43148117 is a deficient number, since it is larger than the sum of its proper divisors (1).

43148117 is an equidigital number, since it uses as much as digits as its factorization.

43148117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 29.

The square root of 43148117 is about 6568.7226307708. The cubic root of 43148117 is about 350.7416030430.

The spelling of 43148117 in words is "forty-three million, one hundred forty-eight thousand, one hundred seventeen".