170149 has 8 divisors (see below), whose sum is σ = 197120. Its totient is φ = 143856.

The previous prime is 170141. The next prime is 170167. The reversal of 170149 is 941071.

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 170149 - 2³ = 170141 is a prime.

170149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652 + ... + 874.

It is an arithmetic number, because the mean of its divisors is an integer number (24640).

2¹⁷⁰¹⁴⁹ is an apocalyptic number.

It is an amenable number.

170149 is a deficient number, since it is larger than the sum of its proper divisors (26971).

170149 is a wasteful number, since it uses less digits than its factorization.

170149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 170149 is about 412.4912120276. The cubic root of 170149 is about 55.4127623332.

The spelling of 170149 in words is "one hundred seventy thousand, one hundred forty-nine".