450142245231 has 16 divisors (see below), whose sum is σ = 685961337600. Its totient is φ = 257212778688.

The previous prime is 450142245193. The next prime is 450142245239. The reversal of 450142245231 is 132542241054.

It is not a de Polignac number, because 450142245231 - 2⁹ = 450142244719 is a prime.

It is a super-2 number, since 2×450142245231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 450142245192 and 450142245201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450142245239) 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, 25600 + ... + 949178.

It is an arithmetic number, because the mean of its divisors is an integer number (42872583600).

Almost surely, 2^450142245231 is an apocalyptic number.

450142245231 is a deficient number, since it is larger than the sum of its proper divisors (235819092369).

450142245231 is a wasteful number, since it uses less digits than its factorization.

450142245231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946798.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 450142245231 its reverse (132542241054), we get a palindrome (582684486285).

The spelling of 450142245231 in words is "four hundred fifty billion, one hundred forty-two million, two hundred forty-five thousand, two hundred thirty-one".