454020443 has 4 divisors (see below), whose sum is σ = 454105320. Its totient is φ = 453935568.

The previous prime is 454020407. The next prime is 454020461. The reversal of 454020443 is 344020454.

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 454020443 - 2⁶ = 454020379 is a prime.

It is a super-2 number, since 2×454020443² = 412269125323832498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454020403) 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, 33833 + ... + 45306.

It is an arithmetic number, because the mean of its divisors is an integer number (113526330).

Almost surely, 2^454020443 is an apocalyptic number.

454020443 is a deficient number, since it is larger than the sum of its proper divisors (84877).

454020443 is an equidigital number, since it uses as much as digits as its factorization.

454020443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84876.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 454020443 is about 21307.7554660269. The cubic root of 454020443 is about 768.5848201037.

Adding to 454020443 its reverse (344020454), we get a palindrome (798040897).

The spelling of 454020443 in words is "four hundred fifty-four million, twenty thousand, four hundred forty-three".