4442542 has 48 divisors (see below), whose sum is σ = 8361360. Its totient is φ = 1748736.

The previous prime is 4442531. The next prime is 4442549. The reversal of 4442542 is 2452444.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442549) 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, 193143 + ... + 193165.

It is an arithmetic number, because the mean of its divisors is an integer number (174195).

Almost surely, 2^4442542 is an apocalyptic number.

4442542 is a deficient number, since it is larger than the sum of its proper divisors (3918818).

4442542 is a wasteful number, since it uses less digits than its factorization.

4442542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 74 counting only the distinct ones).

The product of its digits is 5120, while the sum is 25.

The square root of 4442542 is about 2107.7338541666. The cubic root of 4442542 is about 164.3906757834.

Adding to 4442542 its reverse (2452444), we get a palindrome (6894986).

The spelling of 4442542 in words is "four million, four hundred forty-two thousand, five hundred forty-two".