4545544 has 8 divisors (see below), whose sum is σ = 8522910. Its totient is φ = 2272768.

The previous prime is 4545521. The next prime is 4545551. The reversal of 4545544 is 4455454.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3802500 + 743044 = 1950^2 + 862^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284089 + ... + 284104.

Almost surely, 2^4545544 is an apocalyptic number.

It is an amenable number.

4545544 is a deficient number, since it is larger than the sum of its proper divisors (3977366).

4545544 is a wasteful number, since it uses less digits than its factorization.

4545544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568199 (or 568195 counting only the distinct ones).

The product of its digits is 32000, while the sum is 31.

The square root of 4545544 is about 2132.0281424034. The cubic root of 4545544 is about 165.6514678954.

The spelling of 4545544 in words is "four million, five hundred forty-five thousand, five hundred forty-four".