42160189 has 2 divisors, whose sum is σ = 42160190. Its totient is φ = 42160188.

The previous prime is 42160163. The next prime is 42160213. The reversal of 42160189 is 98106124.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30140100 + 12020089 = 5490^2 + 3467^2 .

It is a cyclic number.

It is not a de Polignac number, because 42160189 - 2²³ = 33771581 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 42160189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42160109) 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 as a sum of consecutive naturals, namely, 21080094 + 21080095.

It is an arithmetic number, because the mean of its divisors is an integer number (21080095).

Almost surely, 2^42160189 is an apocalyptic number.

It is an amenable number.

42160189 is a deficient number, since it is larger than the sum of its proper divisors (1).

42160189 is an equidigital number, since it uses as much as digits as its factorization.

42160189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 42160189 is about 6493.0877862539. The cubic root of 42160189 is about 348.0440254558.

The spelling of 42160189 in words is "forty-two million, one hundred sixty thousand, one hundred eighty-nine".