178225152 has 192 divisors, whose sum is σ = 567795240. Its totient is φ = 49545216.

The previous prime is 178225141. The next prime is 178225171. The reversal of 178225152 is 251522871.

178225152 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4816878 + ... + 4816914.

Almost surely, 2^178225152 is an apocalyptic number.

178225152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 178225152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283897620).

178225152 is an abundant number, since it is smaller than the sum of its proper divisors (389570088).

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

178225152 is an frugal number, since it uses more digits than its factorization.

178225152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 49 counting only the distinct ones).

The product of its digits is 11200, while the sum is 33.

The square root of 178225152 is about 13350.0993254732. The cubic root of 178225152 is about 562.7597109844.

The spelling of 178225152 in words is "one hundred seventy-eight million, two hundred twenty-five thousand, one hundred fifty-two".