4545545441 has 2 divisors, whose sum is σ = 4545545442. Its totient is φ = 4545545440.

The previous prime is 4545545429. The next prime is 4545545467. The reversal of 4545545441 is 1445455454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4368549025 + 176996416 = 66095^2 + 13304^2 .

It is a cyclic number.

It is not a de Polignac number, because 4545545441 - 2¹⁴ = 4545529057 is a prime.

It is not a weakly prime, because it can be changed into another prime (4545515441) 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 as a sum of consecutive naturals, namely, 2272772720 + 2272772721.

It is an arithmetic number, because the mean of its divisors is an integer number (2272772721).

Almost surely, 2^4545545441 is an apocalyptic number.

It is an amenable number.

4545545441 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545545441 is an equidigital number, since it uses as much as digits as its factorization.

4545545441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 640000, while the sum is 41.

The square root of 4545545441 is about 67420.6603423609. The cubic root of 4545545441 is about 1656.5148539995.

The spelling of 4545545441 in words is "four billion, five hundred forty-five million, five hundred forty-five thousand, four hundred forty-one".