179448138 has 12 divisors (see below), whose sum is σ = 388804338. Its totient is φ = 59816040.

The previous prime is 179448109. The next prime is 179448161. The reversal of 179448138 is 831844971.

It is a happy number.

179448138 is a `hidden beast` number, since 1 + 79 + 448 + 138 = 666.

It can be written as a sum of positive squares in only one way, i.e., 149010849 + 30437289 = 12207^2 + 5517^2 .

It is a junction number, because it is equal to n+sod(n) for n = 179448093 and 179448102.

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, 4984653 + ... + 4984688.

Almost surely, 2^179448138 is an apocalyptic number.

179448138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

179448138 is an abundant number, since it is smaller than the sum of its proper divisors (209356200).

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

179448138 is a wasteful number, since it uses less digits than its factorization.

179448138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9969349 (or 9969346 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 179448138 is about 13395.8253945026. The cubic root of 179448138 is about 564.0440021502.

The spelling of 179448138 in words is "one hundred seventy-nine million, four hundred forty-eight thousand, one hundred thirty-eight".