171045342 has 96 divisors (see below), whose sum is σ = 424097856. Its totient is φ = 49420800.

The previous prime is 171045341. The next prime is 171045359. The reversal of 171045342 is 243540171.

171045342 is a `hidden beast` number, since 171 + 0 + 453 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171045341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 328042 + ... + 328562.

It is an arithmetic number, because the mean of its divisors is an integer number (4417686).

Almost surely, 2^171045342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 171045342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212048928).

171045342 is an abundant number, since it is smaller than the sum of its proper divisors (253052514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171045342 is a wasteful number, since it uses less digits than its factorization.

171045342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 171045342 is about 13078.4304104124. The cubic root of 171045342 is about 555.0989645776.

The spelling of 171045342 in words is "one hundred seventy-one million, forty-five thousand, three hundred forty-two".