4530042 has 48 divisors (see below), whose sum is σ = 10850112. Its totient is φ = 1354560.

The previous prime is 4530023. The next prime is 4530067. The reversal of 4530042 is 2400354.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 4529997 and 4530024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27043 + ... + 27209.

It is an arithmetic number, because the mean of its divisors is an integer number (226044).

Almost surely, 2^4530042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4530042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5425056).

4530042 is an abundant number, since it is smaller than the sum of its proper divisors (6320070).

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

4530042 is a wasteful number, since it uses less digits than its factorization.

4530042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 320 counting only the distinct ones).

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

The square root of 4530042 is about 2128.3895320171. The cubic root of 4530042 is about 165.4629423271.

Adding to 4530042 its reverse (2400354), we get a palindrome (6930396).

The spelling of 4530042 in words is "four million, five hundred thirty thousand, forty-two".