4545500 has 24 divisors (see below), whose sum is σ = 9928464.
Its totient is φ = 1818000.
The previous prime is 4545479. The next prime is 4545509. The reversal of 4545500 is 55454.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4545509) 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 7 ways as a sum of consecutive naturals, for example, 4046 + ... + 5045.
It is an arithmetic number, because the mean of its divisors is an integer number (413686).
Almost surely, 24545500 is an apocalyptic number.
It is an amenable number.
4545500 is an abundant number, since it is smaller than the sum of its proper divisors (5382964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4545500 is a wasteful number, since it uses less digits than its factorization.
4545500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9110 (or 9098 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 23.
The square root of 4545500 is about 2132.0178235653.
The cubic root of 4545500 is about 165.6509334021.
The spelling of 4545500 in words is "four million, five hundred forty-five thousand, five hundred".