171150428 has 12 divisors (see below), whose sum is σ = 303984072. Its totient is φ = 84297840.

The previous prime is 171150403. The next prime is 171150433. The reversal of 171150428 is 824051171.

It is a self number, because there is not a number n which added to its sum of digits gives 171150428.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319043 + ... + 319578.

It is an arithmetic number, because the mean of its divisors is an integer number (25332006).

Almost surely, 2^171150428 is an apocalyptic number.

It is an amenable number.

171150428 is a deficient number, since it is larger than the sum of its proper divisors (132833644).

171150428 is a wasteful number, since it uses less digits than its factorization.

171150428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638692 (or 638690 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 171150428 is about 13082.4473245643. The cubic root of 171150428 is about 555.2126209665.

The spelling of 171150428 in words is "one hundred seventy-one million, one hundred fifty thousand, four hundred twenty-eight".