242453297 has 4 divisors (see below), whose sum is σ = 242702436. Its totient is φ = 242204160.

The previous prime is 242453293. The next prime is 242453317. The reversal of 242453297 is 792354242.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 228644641 + 13808656 = 15121^2 + 3716^2 .

It is a cyclic number.

It is not a de Polignac number, because 242453297 - 2² = 242453293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242453297.

It is not an unprimeable number, because it can be changed into a prime (242453293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123104 + ... + 125057.

It is an arithmetic number, because the mean of its divisors is an integer number (60675609).

Almost surely, 2^242453297 is an apocalyptic number.

It is an amenable number.

242453297 is a deficient number, since it is larger than the sum of its proper divisors (249139).

242453297 is an equidigital number, since it uses as much as digits as its factorization.

242453297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249138.

The product of its digits is 120960, while the sum is 38.

The square root of 242453297 is about 15570.9118872338. The cubic root of 242453297 is about 623.5568168943.

The spelling of 242453297 in words is "two hundred forty-two million, four hundred fifty-three thousand, two hundred ninety-seven".