8481145 has 8 divisors (see below), whose sum is σ = 10226880. Its totient is φ = 6751920.

The previous prime is 8481139. The next prime is 8481149. The reversal of 8481145 is 5411848.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8481145 - 2¹⁹ = 7956857 is a prime.

It is a super-2 number, since 2×8481145² = 143859641022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8481149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2965 + ... + 5074.

It is an arithmetic number, because the mean of its divisors is an integer number (1278360).

Almost surely, 2^8481145 is an apocalyptic number.

It is an amenable number.

8481145 is a deficient number, since it is larger than the sum of its proper divisors (1745735).

8481145 is a wasteful number, since it uses less digits than its factorization.

8481145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8255.

The product of its digits is 5120, while the sum is 31.

The square root of 8481145 is about 2912.2405463835. The cubic root of 8481145 is about 203.9317421900.

The spelling of 8481145 in words is "eight million, four hundred eighty-one thousand, one hundred forty-five".