170645141 has 2 divisors, whose sum is σ = 170645142. Its totient is φ = 170645140.

The previous prime is 170645093. The next prime is 170645191. The reversal of 170645141 is 141546071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162664516 + 7980625 = 12754^2 + 2825^2 .

It is a cyclic number.

It is not a de Polignac number, because 170645141 - 2¹⁸ = 170382997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170645191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85322570 + 85322571.

It is an arithmetic number, because the mean of its divisors is an integer number (85322571).

Almost surely, 2^170645141 is an apocalyptic number.

It is an amenable number.

170645141 is a deficient number, since it is larger than the sum of its proper divisors (1).

170645141 is an equidigital number, since it uses as much as digits as its factorization.

170645141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 170645141 is about 13063.1214110564. The cubic root of 170645141 is about 554.6656980880.

The spelling of 170645141 in words is "one hundred seventy million, six hundred forty-five thousand, one hundred forty-one".