171894482 has 12 divisors (see below), whose sum is σ = 272127726. Its totient is φ = 81423360.

The previous prime is 171894469. The next prime is 171894533. The reversal of 171894482 is 284498171.

It can be written as a sum of positive squares in only one way, i.e., 162537001 + 9357481 = 12749^2 + 3059^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118319 + ... + 119762.

Almost surely, 2^171894482 is an apocalyptic number.

171894482 is a deficient number, since it is larger than the sum of its proper divisors (100233244).

171894482 is a wasteful number, since it uses less digits than its factorization.

171894482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238121 (or 238102 counting only the distinct ones).

The product of its digits is 129024, while the sum is 44.

The square root of 171894482 is about 13110.8535953995. The cubic root of 171894482 is about 556.0160291602.

The spelling of 171894482 in words is "one hundred seventy-one million, eight hundred ninety-four thousand, four hundred eighty-two".