450105200522 has 4 divisors (see below), whose sum is σ = 675157800786. Its totient is φ = 225052600260.

The previous prime is 450105200453. The next prime is 450105200527. The reversal of 450105200522 is 225002501054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225002501054 = 2 ⋅112501250527.

It can be written as a sum of positive squares in only one way, i.e., 312457522441 + 137647678081 = 558979^2 + 371009^2 .

It is a junction number, because it is equal to n+sod(n) for n = 450105200491 and 450105200500.

It is not an unprimeable number, because it can be changed into a prime (450105200527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112526300129 + ... + 112526300132.

Almost surely, 2^450105200522 is an apocalyptic number.

450105200522 is a deficient number, since it is larger than the sum of its proper divisors (225052600264).

450105200522 is a wasteful number, since it uses less digits than its factorization.

450105200522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225052600263.

The product of its (nonzero) digits is 4000, while the sum is 26.

Adding to 450105200522 its reverse (225002501054), we get a palindrome (675107701576).

The spelling of 450105200522 in words is "four hundred fifty billion, one hundred five million, two hundred thousand, five hundred twenty-two".