4545445459 has 2 divisors, whose sum is σ = 4545445460. Its totient is φ = 4545445458.

The previous prime is 4545445447. The next prime is 4545445481. The reversal of 4545445459 is 9545445454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4545445459 - 2⁵ = 4545445427 is a prime.

It is a super-2 number, since 2×4545445459² = 41322148841487441362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4545445859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272722729 + 2272722730.

It is an arithmetic number, because the mean of its divisors is an integer number (2272722730).

Almost surely, 2^4545445459 is an apocalyptic number.

4545445459 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545445459 is an equidigital number, since it uses as much as digits as its factorization.

4545445459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760000, while the sum is 49.

The square root of 4545445459 is about 67419.9188593401. The cubic root of 4545445459 is about 1656.5027085643.

The spelling of 4545445459 in words is "four billion, five hundred forty-five million, four hundred forty-five thousand, four hundred fifty-nine".