4545240 has 96 divisors (see below), whose sum is σ = 15882480. Its totient is φ = 1037568.

The previous prime is 4545223. The next prime is 4545241. The reversal of 4545240 is 425454.

4545240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4545240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545241) 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 23 ways as a sum of consecutive naturals, for example, 5494 + ... + 6266.

Almost surely, 2^4545240 is an apocalyptic number.

4545240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4545240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7941240).

4545240 is an abundant number, since it is smaller than the sum of its proper divisors (11337240).

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

4545240 is a wasteful number, since it uses less digits than its factorization.

4545240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 4545240 is about 2131.9568475933. The cubic root of 4545240 is about 165.6477749623.

The spelling of 4545240 in words is "four million, five hundred forty-five thousand, two hundred forty".