43150189 has 2 divisors, whose sum is σ = 43150190. Its totient is φ = 43150188.

The previous prime is 43150127. The next prime is 43150223. The reversal of 43150189 is 98105134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42575625 + 574564 = 6525^2 + 758^2 .

It is a cyclic number.

It is not a de Polignac number, because 43150189 - 2¹⁷ = 43019117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43150189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43150489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21575094 + 21575095.

It is an arithmetic number, because the mean of its divisors is an integer number (21575095).

Almost surely, 2^43150189 is an apocalyptic number.

It is an amenable number.

43150189 is a deficient number, since it is larger than the sum of its proper divisors (1).

43150189 is an equidigital number, since it uses as much as digits as its factorization.

43150189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 43150189 is about 6568.8803459950. The cubic root of 43150189 is about 350.7472172314.

The spelling of 43150189 in words is "forty-three million, one hundred fifty thousand, one hundred eighty-nine".