450156463243 has 4 divisors (see below), whose sum is σ = 469728483408. Its totient is φ = 430584443080.

The previous prime is 450156463231. The next prime is 450156463259. The reversal of 450156463243 is 342364651054.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 450156463243 - 2¹³ = 450156455051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450156463243.

It is not an unprimeable number, because it can be changed into a prime (450156461243) 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 in 3 ways as a sum of consecutive naturals, for example, 9786010048 + ... + 9786010093.

It is an arithmetic number, because the mean of its divisors is an integer number (117432120852).

Almost surely, 2^450156463243 is an apocalyptic number.

450156463243 is a deficient number, since it is larger than the sum of its proper divisors (19572020165).

450156463243 is a wasteful number, since it uses less digits than its factorization.

450156463243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19572020164.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 450156463243 in words is "four hundred fifty billion, one hundred fifty-six million, four hundred sixty-three thousand, two hundred forty-three".