4545558 has 48 divisors (see below), whose sum is σ = 10483200. Its totient is φ = 1475496.

The previous prime is 4545557. The next prime is 4545571. The reversal of 4545558 is 8555454.

It is a super-3 number, since 3×4545558³ (a number of 21 digits) contains 333 as substring.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22743 + ... + 22941.

It is an arithmetic number, because the mean of its divisors is an integer number (218400).

Almost surely, 2^4545558 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4545558, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5241600).

4545558 is an abundant number, since it is smaller than the sum of its proper divisors (5937642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4545558 is a wasteful number, since it uses less digits than its factorization.

4545558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 251 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

The square root of 4545558 is about 2132.0314256596. The cubic root of 4545558 is about 165.6516379607.

The spelling of 4545558 in words is "four million, five hundred forty-five thousand, five hundred fifty-eight".