453243242 has 4 divisors (see below), whose sum is σ = 679864866. Its totient is φ = 226621620.

The previous prime is 453243223. The next prime is 453243283. The reversal of 453243242 is 242342354.

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 only one way, i.e., 401561521 + 51681721 = 20039^2 + 7189^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113310809 + ... + 113310812.

Almost surely, 2^453243242 is an apocalyptic number.

453243242 is a deficient number, since it is larger than the sum of its proper divisors (226621624).

453243242 is a wasteful number, since it uses less digits than its factorization.

453243242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226621623.

The product of its digits is 23040, while the sum is 29.

The square root of 453243242 is about 21289.5101399727. The cubic root of 453243242 is about 768.1460101533.

Adding to 453243242 its reverse (242342354), we get a palindrome (695585596).

It can be divided in two parts, 4532 and 43242, that added together give a palindrome (47774).

The spelling of 453243242 in words is "four hundred fifty-three million, two hundred forty-three thousand, two hundred forty-two".