147172230 has 96 divisors (see below), whose sum is σ = 414764064. Its totient is φ = 36062208.

The previous prime is 147172177. The next prime is 147172231. The reversal of 147172230 is 32271741.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 147172194 and 147172203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147172231) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 64672 + ... + 66908.

It is an arithmetic number, because the mean of its divisors is an integer number (4320459).

Almost surely, 2^147172230 is an apocalyptic number.

147172230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 147172230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207382032).

147172230 is an abundant number, since it is smaller than the sum of its proper divisors (267591834).

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

147172230 is a wasteful number, since it uses less digits than its factorization.

147172230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310 (or 2307 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 147172230 is about 12131.4562192673. The cubic root of 147172230 is about 527.9692432153.

The spelling of 147172230 in words is "one hundred forty-seven million, one hundred seventy-two thousand, two hundred thirty".