4545590 has 16 divisors (see below), whose sum is σ = 9351072. Its totient is φ = 1558464.

The previous prime is 4545587. The next prime is 4545599. The reversal of 4545590 is 955454.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32399 + ... + 32538.

It is an arithmetic number, because the mean of its divisors is an integer number (584442).

Almost surely, 2^4545590 is an apocalyptic number.

4545590 is an abundant number, since it is smaller than the sum of its proper divisors (4805482).

4545590 is a wasteful number, since it uses less digits than its factorization.

4545590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64951.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 4545590 is about 2132.0389302262. The cubic root of 4545590 is about 165.6520266801.

The spelling of 4545590 in words is "four million, five hundred forty-five thousand, five hundred ninety".