4481545 has 8 divisors (see below), whose sum is σ = 5393160. Its totient is φ = 3575040.

The previous prime is 4481537. The next prime is 4481567. The reversal of 4481545 is 5451844.

It can be written as a sum of positive squares in 4 ways, for example, as 121801 + 4359744 = 349^2 + 2088^2 .

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

It is not a de Polignac number, because 4481545 - 2³ = 4481537 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041 + ... + 3169.

It is an arithmetic number, because the mean of its divisors is an integer number (674145).

Almost surely, 2^4481545 is an apocalyptic number.

It is an amenable number.

4481545 is a deficient number, since it is larger than the sum of its proper divisors (911615).

4481545 is a wasteful number, since it uses less digits than its factorization.

4481545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555.

The product of its digits is 12800, while the sum is 31.

The square root of 4481545 is about 2116.9659893347. The cubic root of 4481545 is about 164.8703603672.

Subtracting 4481545 from its reverse (5451844), we obtain a cube (970299 = 99³).

The spelling of 4481545 in words is "four million, four hundred eighty-one thousand, five hundred forty-five".