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545155441 is a prime number
BaseRepresentation
bin100000011111100…
…110100101110001
31101222210202200021
4200133212211301
52104024433231
6130032323441
716336513315
oct4037464561
91358722607
10545155441
1125a7a9396
121326a3581
1388c353ac
145258bb45
1532cd7811
hex207e6971

545155441 has 2 divisors, whose sum is σ = 545155442. Its totient is φ = 545155440.

The previous prime is 545155433. The next prime is 545155463. The reversal of 545155441 is 144551545.

545155441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 405821025 + 139334416 = 20145^2 + 11804^2 .

It is a cyclic number.

It is not a de Polignac number, because 545155441 - 23 = 545155433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545155397 and 545155406.

It is not a weakly prime, because it can be changed into another prime (545155411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272577720 + 272577721.

It is an arithmetic number, because the mean of its divisors is an integer number (272577721).

Almost surely, 2545155441 is an apocalyptic number.

It is an amenable number.

545155441 is a deficient number, since it is larger than the sum of its proper divisors (1).

545155441 is an equidigital number, since it uses as much as digits as its factorization.

545155441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40000, while the sum is 34.

The square root of 545155441 is about 23348.5640029532. The cubic root of 545155441 is about 816.9085665383.

The spelling of 545155441 in words is "five hundred forty-five million, one hundred fifty-five thousand, four hundred forty-one".