450143422151573 has 4 divisors (see below), whose sum is σ = 462309460588140. Its totient is φ = 437977383715008.

The previous prime is 450143422151567. The next prime is 450143422151593. The reversal of 450143422151573 is 375151224341054.

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

It can be written as a sum of positive squares in 2 ways, for example, as 334568838835729 + 115574583315844 = 18291223^2 + 10750562^2 .

It is a cyclic number.

It is not a de Polignac number, because 450143422151573 - 2¹² = 450143422147477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450143422151593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6083019218228 + ... + 6083019218301.

It is an arithmetic number, because the mean of its divisors is an integer number (115577365147035).

Almost surely, 2^{450143422151573} is an apocalyptic number.

It is an amenable number.

450143422151573 is a deficient number, since it is larger than the sum of its proper divisors (12166038436567).

450143422151573 is a wasteful number, since it uses less digits than its factorization.

450143422151573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12166038436566.

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 450143422151573 in words is "four hundred fifty trillion, one hundred forty-three billion, four hundred twenty-two million, one hundred fifty-one thousand, five hundred seventy-three".