171145070382 has 128 divisors (see below), whose sum is σ = 416734875648. Its totient is φ = 46146355200.

The previous prime is 171145070357. The next prime is 171145070429. The reversal of 171145070382 is 283070541171.

It is a happy number.

171145070382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 171145070382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6823168 + ... + 6848204.

It is an arithmetic number, because the mean of its divisors is an integer number (3255741216).

Almost surely, 2^171145070382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 171145070382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208367437824).

171145070382 is an abundant number, since it is smaller than the sum of its proper divisors (245589805266).

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

171145070382 is a wasteful number, since it uses less digits than its factorization.

171145070382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25354.

The product of its (nonzero) digits is 47040, while the sum is 39.

The spelling of 171145070382 in words is "one hundred seventy-one billion, one hundred forty-five million, seventy thousand, three hundred eighty-two".