8455998545 has 32 divisors (see below), whose sum is σ = 10770144000. Its totient is φ = 6355666944.

The previous prime is 8455998527. The next prime is 8455998559. The reversal of 8455998545 is 5458995548.

It is a cyclic number.

It is not a de Polignac number, because 8455998545 - 2¹⁰ = 8455997521 is a prime.

It is a super-2 number, since 2×8455998545² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8185349 + ... + 8186381.

It is an arithmetic number, because the mean of its divisors is an integer number (336567000).

Almost surely, 2^8455998545 is an apocalyptic number.

It is an amenable number.

8455998545 is a deficient number, since it is larger than the sum of its proper divisors (2314145455).

8455998545 is a wasteful number, since it uses less digits than its factorization.

8455998545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689.

The product of its digits is 51840000, while the sum is 62.

The square root of 8455998545 is about 91956.5035492324. The cubic root of 8455998545 is about 2037.2999124529.

The spelling of 8455998545 in words is "eight billion, four hundred fifty-five million, nine hundred ninety-eight thousand, five hundred forty-five".