4681545 has 32 divisors (see below), whose sum is σ = 8657280. Its totient is φ = 2135040.

The previous prime is 4681519. The next prime is 4681559. The reversal of 4681545 is 5451864.

It is not a de Polignac number, because 4681545 - 2⁵ = 4681513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 1971 + ... + 3639.

It is an arithmetic number, because the mean of its divisors is an integer number (270540).

Almost surely, 2^4681545 is an apocalyptic number.

It is an amenable number.

4681545 is a deficient number, since it is larger than the sum of its proper divisors (3975735).

4681545 is a wasteful number, since it uses less digits than its factorization.

4681545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705.

The product of its digits is 19200, while the sum is 33.

The square root of 4681545 is about 2163.6878240634. The cubic root of 4681545 is about 167.2873368530.

The spelling of 4681545 in words is "four million, six hundred eighty-one thousand, five hundred forty-five".