4545630 has 48 divisors (see below), whose sum is σ = 12518064. Its totient is φ = 1140480.

The previous prime is 4545601. The next prime is 4545641. The reversal of 4545630 is 365454.

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

It is a junction number, because it is equal to n+sod(n) for n = 4545594 and 4545603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45 + ... + 3015.

It is an arithmetic number, because the mean of its divisors is an integer number (260793).

Almost surely, 2^4545630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4545630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6259032).

4545630 is an abundant number, since it is smaller than the sum of its proper divisors (7972434).

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

4545630 is a wasteful number, since it uses less digits than its factorization.

4545630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001 (or 2998 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 4545630 is about 2132.0483108973. The cubic root of 4545630 is about 165.6525125768.

It can be divided in two parts, 454 and 5630, that added together give a square (6084 = 78²).

The spelling of 4545630 in words is "four million, five hundred forty-five thousand, six hundred thirty".