454421843 has 4 divisors (see below), whose sum is σ = 454471368. Its totient is φ = 454372320.

The previous prime is 454421837. The next prime is 454421857. The reversal of 454421843 is 348124454.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454421843 is a prime.

It is a super-2 number, since 2×454421843² = 412998422791033298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454421813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6518 + ... + 30843.

It is an arithmetic number, because the mean of its divisors is an integer number (113617842).

Almost surely, 2^454421843 is an apocalyptic number.

454421843 is a deficient number, since it is larger than the sum of its proper divisors (49525).

454421843 is a wasteful number, since it uses less digits than its factorization.

454421843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49524.

The product of its digits is 61440, while the sum is 35.

The square root of 454421843 is about 21317.1724907409. The cubic root of 454421843 is about 768.8112556296.

The spelling of 454421843 in words is "four hundred fifty-four million, four hundred twenty-one thousand, eight hundred forty-three".