450015063242 has 4 divisors (see below), whose sum is σ = 675022594866. Its totient is φ = 225007531620.

The previous prime is 450015063209. The next prime is 450015063247. The reversal of 450015063242 is 242360510054.

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., 233249395681 + 216765667561 = 482959^2 + 465581^2 .

It is a junction number, because it is equal to n+sod(n) for n = 450015063199 and 450015063208.

It is not an unprimeable number, because it can be changed into a prime (450015063247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112503765809 + ... + 112503765812.

Almost surely, 2^450015063242 is an apocalyptic number.

450015063242 is a deficient number, since it is larger than the sum of its proper divisors (225007531624).

450015063242 is a wasteful number, since it uses less digits than its factorization.

450015063242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225007531623.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 450015063242 its reverse (242360510054), we get a palindrome (692375573296).

The spelling of 450015063242 in words is "four hundred fifty billion, fifteen million, sixty-three thousand, two hundred forty-two".