4545885 has 16 divisors (see below), whose sum is σ = 7701696. Its totient is φ = 2281728.

The previous prime is 4545869. The next prime is 4545889. The reversal of 4545885 is 5885454.

It is not a de Polignac number, because 4545885 - 2⁴ = 4545869 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545889) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8659 + ... + 9168.

It is an arithmetic number, because the mean of its divisors is an integer number (481356).

Almost surely, 2^4545885 is an apocalyptic number.

It is an amenable number.

4545885 is a deficient number, since it is larger than the sum of its proper divisors (3155811).

4545885 is a wasteful number, since it uses less digits than its factorization.

4545885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17852.

The product of its digits is 128000, while the sum is 39.

The square root of 4545885 is about 2132.1081117054. The cubic root of 4545885 is about 165.6556101013.

The spelling of 4545885 in words is "four million, five hundred forty-five thousand, eight hundred eighty-five".