4540230 has 48 divisors (see below), whose sum is σ = 12012624. Its totient is φ = 1189440.

The previous prime is 4540219. The next prime is 4540231. The reversal of 4540230 is 320454.

It is a happy number.

It is a super-2 number, since 2×4540230² = 41227376905800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5077 + ... + 5903.

It is an arithmetic number, because the mean of its divisors is an integer number (250263).

Almost surely, 2^4540230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4540230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6006312).

4540230 is an abundant number, since it is smaller than the sum of its proper divisors (7472394).

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

4540230 is a wasteful number, since it uses less digits than its factorization.

4540230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4540230 is about 2130.7815467570. The cubic root of 4540230 is about 165.5868907217.

Adding to 4540230 its reverse (320454), we get a palindrome (4860684).

The spelling of 4540230 in words is "four million, five hundred forty thousand, two hundred thirty".