170442146 has 16 divisors (see below), whose sum is σ = 295081920. Its totient is φ = 72322800.

The previous prime is 170442109. The next prime is 170442157. The reversal of 170442146 is 641244071.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58856 + ... + 61683.

It is an arithmetic number, because the mean of its divisors is an integer number (18442620).

Almost surely, 2^170442146 is an apocalyptic number.

170442146 is a deficient number, since it is larger than the sum of its proper divisors (124639774).

170442146 is a wasteful number, since it uses less digits than its factorization.

170442146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120649.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 170442146 is about 13055.3493250851. The cubic root of 170442146 is about 554.4456722131.

The spelling of 170442146 in words is "one hundred seventy million, four hundred forty-two thousand, one hundred forty-six".