8481145085 has 32 divisors (see below), whose sum is σ = 11937818880. Its totient is φ = 5664333312.

The previous prime is 8481145081. The next prime is 8481145129. The reversal of 8481145085 is 5805411848.

It is a cyclic number.

It is not a de Polignac number, because 8481145085 - 2² = 8481145081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8481145081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188387 + ... + 229023.

It is an arithmetic number, because the mean of its divisors is an integer number (373056840).

Almost surely, 2^8481145085 is an apocalyptic number.

It is an amenable number.

8481145085 is a deficient number, since it is larger than the sum of its proper divisors (3456673795).

8481145085 is a wasteful number, since it uses less digits than its factorization.

8481145085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40805.

The product of its (nonzero) digits is 204800, while the sum is 44.

The square root of 8481145085 is about 92093.1326701400. The cubic root of 8481145085 is about 2039.3174287124.

The spelling of 8481145085 in words is "eight billion, four hundred eighty-one million, one hundred forty-five thousand, eighty-five".