4545624 has 16 divisors (see below), whose sum is σ = 11364120. Its totient is φ = 1515200.

The previous prime is 4545601. The next prime is 4545641. The reversal of 4545624 is 4265454.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4545591 and 4545600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94677 + ... + 94724.

Almost surely, 2^4545624 is an apocalyptic number.

It is an amenable number.

4545624 is an abundant number, since it is smaller than the sum of its proper divisors (6818496).

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

4545624 is a wasteful number, since it uses less digits than its factorization.

4545624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189410 (or 189406 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 4545624 is about 2132.0469037993. The cubic root of 4545624 is about 165.6524396925.

The spelling of 4545624 in words is "four million, five hundred forty-five thousand, six hundred twenty-four".