450144135231 has 8 divisors (see below), whose sum is σ = 685933920384. Its totient is φ = 257225220120.

The previous prime is 450144135227. The next prime is 450144135283. The reversal of 450144135231 is 132531441054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 450144135231 - 2² = 450144135227 is a prime.

It is a super-2 number, since 2×450144135231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 450144135192 and 450144135201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450144135131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10717717485 + ... + 10717717526.

It is an arithmetic number, because the mean of its divisors is an integer number (85741740048).

Almost surely, 2^450144135231 is an apocalyptic number.

450144135231 is a deficient number, since it is larger than the sum of its proper divisors (235789785153).

450144135231 is a wasteful number, since it uses less digits than its factorization.

450144135231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21435435021.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 450144135231 its reverse (132531441054), we get a palindrome (582675576285).

The spelling of 450144135231 in words is "four hundred fifty billion, one hundred forty-four million, one hundred thirty-five thousand, two hundred thirty-one".