174243242 has 4 divisors (see below), whose sum is σ = 261364866. Its totient is φ = 87121620.

The previous prime is 174243211. The next prime is 174243247. The reversal of 174243242 is 242342471.

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

It can be written as a sum of positive squares in only one way, i.e., 117527281 + 56715961 = 10841^2 + 7531^2 .

It is not an unprimeable number, because it can be changed into a prime (174243247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43560809 + ... + 43560812.

Almost surely, 2^174243242 is an apocalyptic number.

174243242 is a deficient number, since it is larger than the sum of its proper divisors (87121624).

174243242 is an equidigital number, since it uses as much as digits as its factorization.

174243242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87121623.

The product of its digits is 10752, while the sum is 29.

The square root of 174243242 is about 13200.1228024591. The cubic root of 174243242 is about 558.5370424317.

The spelling of 174243242 in words is "one hundred seventy-four million, two hundred forty-three thousand, two hundred forty-two".