450222321142 has 32 divisors (see below), whose sum is σ = 764741606400. Its totient is φ = 196938559200.

The previous prime is 450222321137. The next prime is 450222321149. The reversal of 450222321142 is 241123222054.

It is a self number, because there is not a number n which added to its sum of digits gives 450222321142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450222321149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1721917 + ... + 1966072.

It is an arithmetic number, because the mean of its divisors is an integer number (23898175200).

Almost surely, 2^450222321142 is an apocalyptic number.

450222321142 is a deficient number, since it is larger than the sum of its proper divisors (314519285258).

450222321142 is a wasteful number, since it uses less digits than its factorization.

450222321142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688212.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 450222321142 its reverse (241123222054), we get a palindrome (691345543196).

The spelling of 450222321142 in words is "four hundred fifty billion, two hundred twenty-two million, three hundred twenty-one thousand, one hundred forty-two".