170442541 has 16 divisors (see below), whose sum is σ = 180966960. Its totient is φ = 160276480.

The previous prime is 170442523. The next prime is 170442553. The reversal of 170442541 is 145244071.

It can be written as a sum of positive squares in 8 ways, for example, as 54449641 + 115992900 = 7379^2 + 10770^2 .

It is a cyclic number.

It is not a de Polignac number, because 170442541 - 2⁷ = 170442413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170442241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265581 + ... + 266221.

It is an arithmetic number, because the mean of its divisors is an integer number (11310435).

Almost surely, 2^170442541 is an apocalyptic number.

It is an amenable number.

170442541 is a deficient number, since it is larger than the sum of its proper divisors (10524419).

170442541 is a wasteful number, since it uses less digits than its factorization.

170442541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 170442541 is about 13055.3644529749. The cubic root of 170442541 is about 554.4461005224.

The spelling of 170442541 in words is "one hundred seventy million, four hundred forty-two thousand, five hundred forty-one".