170430545 has 16 divisors (see below), whose sum is σ = 208204032. Its totient is φ = 133902720.

The previous prime is 170430539. The next prime is 170430553. The reversal of 170430545 is 545034071.

It is not a de Polignac number, because 170430545 - 2²⁰ = 169381969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98054 + ... + 99776.

It is an arithmetic number, because the mean of its divisors is an integer number (13012752).

Almost surely, 2^170430545 is an apocalyptic number.

It is an amenable number.

170430545 is a deficient number, since it is larger than the sum of its proper divisors (37773487).

170430545 is a wasteful number, since it uses less digits than its factorization.

170430545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 170430545 is about 13054.9050168892. The cubic root of 170430545 is about 554.4330926363.

The spelling of 170430545 in words is "one hundred seventy million, four hundred thirty thousand, five hundred forty-five".