454331544242 has 4 divisors (see below), whose sum is σ = 681497316366. Its totient is φ = 227165772120.

The previous prime is 454331544197. The next prime is 454331544253. The reversal of 454331544242 is 242445133454.

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., 295839175921 + 158492368321 = 543911^2 + 398111^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 454331544242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113582886059 + ... + 113582886062.

Almost surely, 2^454331544242 is an apocalyptic number.

454331544242 is a deficient number, since it is larger than the sum of its proper divisors (227165772124).

454331544242 is a wasteful number, since it uses less digits than its factorization.

454331544242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227165772123.

The product of its digits is 921600, while the sum is 41.

Adding to 454331544242 its reverse (242445133454), we get a palindrome (696776677696).

The spelling of 454331544242 in words is "four hundred fifty-four billion, three hundred thirty-one million, five hundred forty-four thousand, two hundred forty-two".