4509148 has 24 divisors (see below), whose sum is σ = 9549792. Its totient is φ = 1818624.

The previous prime is 4509143. The next prime is 4509149. The reversal of 4509148 is 8419054.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4509143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4261 + ... + 5212.

It is an arithmetic number, because the mean of its divisors is an integer number (397908).

Almost surely, 2^4509148 is an apocalyptic number.

It is an amenable number.

4509148 is an abundant number, since it is smaller than the sum of its proper divisors (5040644).

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

4509148 is a wasteful number, since it uses less digits than its factorization.

4509148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9501 (or 9499 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 4509148 is about 2123.4754531192. The cubic root of 4509148 is about 165.2081609079.

The spelling of 4509148 in words is "four million, five hundred nine thousand, one hundred forty-eight".