4542043 has 16 divisors (see below), whose sum is σ = 5318784. Its totient is φ = 3832960.

The previous prime is 4542029. The next prime is 4542049. The reversal of 4542043 is 3402454.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4542043 - 2⁵ = 4542011 is a prime.

It is a super-2 number, since 2×4542043² = 41260309227698, which contains 22 as substring.

It is a Duffinian number.

4542043 is a modest number, since divided by 2043 gives 454 as remainder.

It is not an unprimeable number, because it can be changed into a prime (4542049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19896 + ... + 20122.

It is an arithmetic number, because the mean of its divisors is an integer number (332424).

Almost surely, 2^4542043 is an apocalyptic number.

4542043 is a deficient number, since it is larger than the sum of its proper divisors (776741).

4542043 is a wasteful number, since it uses less digits than its factorization.

4542043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 4542043 is about 2131.2069350488. The cubic root of 4542043 is about 165.6089284512.

Adding to 4542043 its reverse (3402454), we get a palindrome (7944497).

The spelling of 4542043 in words is "four million, five hundred forty-two thousand, forty-three".