4545555454 has 12 divisors (see below), whose sum is σ = 7494531912. Its totient is φ = 2066161460.

The previous prime is 4545555449. The next prime is 4545555461.

4545555454 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4545555454² = 41324148770778292232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9391402 + ... + 9391885.

It is an arithmetic number, because the mean of its divisors is an integer number (624544326).

Almost surely, 2^4545555454 is an apocalyptic number.

4545555454 is a deficient number, since it is larger than the sum of its proper divisors (2948976458).

4545555454 is a wasteful number, since it uses less digits than its factorization.

4545555454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18783311 (or 18783300 counting only the distinct ones).

The product of its digits is 4000000, while the sum is 46.

The square root of 4545555454 is about 67420.7345999730. The cubic root of 4545555454 is about 1656.5160703311.

The spelling of 4545555454 in words is "four billion, five hundred forty-five million, five hundred fifty-five thousand, four hundred fifty-four".