452422145412421 has 4 divisors (see below), whose sum is σ = 452422228860844. Its totient is φ = 452422061964000.

The previous prime is 452422145412397. The next prime is 452422145412467. The reversal of 452422145412421 is 124214541224254.

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 41477283761796 + 410944861650625 = 6440286^2 + 20271775^2 .

It is a cyclic number.

It is not a de Polignac number, because 452422145412421 - 2⁵ = 452422145412389 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 (452422145412121) 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, 32981160 + ... + 44638561.

It is an arithmetic number, because the mean of its divisors is an integer number (113105557215211).

Almost surely, 2^{452422145412421} is an apocalyptic number.

It is an amenable number.

452422145412421 is a deficient number, since it is larger than the sum of its proper divisors (83448423).

452422145412421 is an equidigital number, since it uses as much as digits as its factorization.

452422145412421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83448422.

The product of its digits is 819200, while the sum is 43.

Adding to 452422145412421 its reverse (124214541224254), we get a palindrome (576636686636675).

The spelling of 452422145412421 in words is "four hundred fifty-two trillion, four hundred twenty-two billion, one hundred forty-five million, four hundred twelve thousand, four hundred twenty-one".