170948645 has 8 divisors (see below), whose sum is σ = 234443904. Its totient is φ = 117221904.

The previous prime is 170948641. The next prime is 170948671. The reversal of 170948645 is 546849071.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 170948645 - 2² = 170948641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 170948596 and 170948605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170948641) 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 in 7 ways as a sum of consecutive naturals, for example, 2442089 + ... + 2442158.

It is an arithmetic number, because the mean of its divisors is an integer number (29305488).

Almost surely, 2^170948645 is an apocalyptic number.

It is an amenable number.

170948645 is a deficient number, since it is larger than the sum of its proper divisors (63495259).

170948645 is an equidigital number, since it uses as much as digits as its factorization.

170948645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4884259.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 170948645 is about 13074.7330756693. The cubic root of 170948645 is about 554.9943402285.

The spelling of 170948645 in words is "one hundred seventy million, nine hundred forty-eight thousand, six hundred forty-five".