450142504523 has 4 divisors (see below), whose sum is σ = 450148026480. Its totient is φ = 450136982568.

The previous prime is 450142504517. The next prime is 450142504547. The reversal of 450142504523 is 325405241054.

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 450142504523 - 2⁴ = 450142504507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450142504723) 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, 2636840 + ... + 2802357.

It is an arithmetic number, because the mean of its divisors is an integer number (112537006620).

Almost surely, 2^450142504523 is an apocalyptic number.

450142504523 is a deficient number, since it is larger than the sum of its proper divisors (5521957).

450142504523 is an equidigital number, since it uses as much as digits as its factorization.

450142504523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5521956.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 450142504523 its reverse (325405241054), we get a palindrome (775547745577).

The spelling of 450142504523 in words is "four hundred fifty billion, one hundred forty-two million, five hundred four thousand, five hundred twenty-three".