147172 has 6 divisors (see below), whose sum is σ = 257558. Its totient is φ = 73584.

The previous prime is 147163. The next prime is 147179. The reversal of 147172 is 271741.

It can be written as a sum of positive squares in only one way, i.e., 92416 + 54756 = 304^2 + 234^2 .

It is not an unprimeable number, because it can be changed into a prime (147179) by changing a digit.

147172 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18393 + ... + 18400.

2¹⁴⁷¹⁷² is an apocalyptic number.

It is an amenable number.

147172 is a deficient number, since it is larger than the sum of its proper divisors (110386).

147172 is a wasteful number, since it uses less digits than its factorization.

147172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36797 (or 36795 counting only the distinct ones).

The product of its digits is 392, while the sum is 22.

The square root of 147172 is about 383.6300301071. The cubic root of 147172 is about 52.7968968179.

The spelling of 147172 in words is "one hundred forty-seven thousand, one hundred seventy-two", and thus it is an iban number.