450021430045 has 16 divisors (see below), whose sum is σ = 589147009920. Its totient is φ = 327272731200.

The previous prime is 450021430043. The next prime is 450021430049. The reversal of 450021430045 is 540034120054.

It is not a de Polignac number, because 450021430045 - 2¹ = 450021430043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 450021429995 and 450021430022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450021430043) 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, 1041715 + ... + 1408975.

It is an arithmetic number, because the mean of its divisors is an integer number (36821688120).

Almost surely, 2^450021430045 is an apocalyptic number.

It is an amenable number.

450021430045 is a deficient number, since it is larger than the sum of its proper divisors (139125579875).

450021430045 is a wasteful number, since it uses less digits than its factorization.

450021430045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389556.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 450021430045 its reverse (540034120054), we get a palindrome (990055550099).

The spelling of 450021430045 in words is "four hundred fifty billion, twenty-one million, four hundred thirty thousand, forty-five".