4545920 has 32 divisors (see below), whose sum is σ = 10869120. Its totient is φ = 1818112.

The previous prime is 4545913. The next prime is 4545923. The reversal of 4545920 is 295454.

It is a happy number.

4545920 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2912 + ... + 4191.

It is an arithmetic number, because the mean of its divisors is an integer number (339660).

Almost surely, 2^4545920 is an apocalyptic number.

4545920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4545920 is an abundant number, since it is smaller than the sum of its proper divisors (6323200).

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

4545920 is an equidigital number, since it uses as much as digits as its factorization.

4545920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7122 (or 7110 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 4545920 is about 2132.1163195286. The cubic root of 4545920 is about 165.6560352427.

The spelling of 4545920 in words is "four million, five hundred forty-five thousand, nine hundred twenty".