4538142 has 24 divisors (see below), whose sum is σ = 11237616. Its totient is φ = 1296576.

The previous prime is 4538137. The next prime is 4538143. The reversal of 4538142 is 2418354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4538143) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 17883 + ... + 18134.

It is an arithmetic number, because the mean of its divisors is an integer number (468234).

Almost surely, 2^4538142 is an apocalyptic number.

4538142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4538142 is an abundant number, since it is smaller than the sum of its proper divisors (6699474).

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

4538142 is a wasteful number, since it uses less digits than its factorization.

4538142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36032 (or 36029 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 4538142 is about 2130.2915293452. The cubic root of 4538142 is about 165.5615029886.

The spelling of 4538142 in words is "four million, five hundred thirty-eight thousand, one hundred forty-two".