147243 has 4 divisors (see below), whose sum is σ = 196328. Its totient is φ = 98160.

The previous prime is 147229. The next prime is 147253. The reversal of 147243 is 342741.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 147243 - 2⁴ = 147227 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147243.

It is not an unprimeable number, because it can be changed into a prime (147253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24538 + ... + 24543.

It is an arithmetic number, because the mean of its divisors is an integer number (49082).

2¹⁴⁷²⁴³ is an apocalyptic number.

147243 is a deficient number, since it is larger than the sum of its proper divisors (49085).

147243 is an equidigital number, since it uses as much as digits as its factorization.

147243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49084.

The product of its digits is 672, while the sum is 21.

The square root of 147243 is about 383.7225560219. The cubic root of 147243 is about 52.8053856995.

Adding to 147243 its reverse (342741), we get a palindrome (489984).

It can be divided in two parts, 147 and 243, that multiplied together give a square (35721 = 189²).

The spelling of 147243 in words is "one hundred forty-seven thousand, two hundred forty-three", and thus it is an iban number.