4545816 has 64 divisors (see below), whose sum is σ = 12631680. Its totient is φ = 1351680.

The previous prime is 4545799. The next prime is 4545833. The reversal of 4545816 is 6185454.

It is an interprime number because it is at equal distance from previous prime (4545799) and next prime (4545833).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17560 + ... + 17816.

It is an arithmetic number, because the mean of its divisors is an integer number (197370).

Almost surely, 2^4545816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4545816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6315840).

4545816 is an abundant number, since it is smaller than the sum of its proper divisors (8085864).

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

4545816 is a wasteful number, since it uses less digits than its factorization.

4545816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 340 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 4545816 is about 2132.0919304758. The cubic root of 4545816 is about 165.6547719590.

The spelling of 4545816 in words is "four million, five hundred forty-five thousand, eight hundred sixteen".