545454443 has 2 divisors, whose sum is σ = 545454444. Its totient is φ = 545454442.

The previous prime is 545454433. The next prime is 545454461. The reversal of 545454443 is 344454545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545454443 - 2⁸ = 545454187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545454397 and 545454406.

It is not a weakly prime, because it can be changed into another prime (545454433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272727221 + 272727222.

It is an arithmetic number, because the mean of its divisors is an integer number (272727222).

Almost surely, 2^545454443 is an apocalyptic number.

545454443 is a deficient number, since it is larger than the sum of its proper divisors (1).

545454443 is an equidigital number, since it uses as much as digits as its factorization.

545454443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384000, while the sum is 38.

The square root of 545454443 is about 23354.9661314248. The cubic root of 545454443 is about 817.0578894863.

The spelling of 545454443 in words is "five hundred forty-five million, four hundred fifty-four thousand, four hundred forty-three".