4542147 has 6 divisors (see below), whose sum is σ = 6560892. Its totient is φ = 3028092.

The previous prime is 4542143. The next prime is 4542149. The reversal of 4542147 is 7412454.

It is not a de Polignac number, because 4542147 - 2² = 4542143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4542147.

It is not an unprimeable number, because it can be changed into a prime (4542143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252333 + ... + 252350.

It is an arithmetic number, because the mean of its divisors is an integer number (1093482).

Almost surely, 2^4542147 is an apocalyptic number.

4542147 is a deficient number, since it is larger than the sum of its proper divisors (2018745).

4542147 is a wasteful number, since it uses less digits than its factorization.

4542147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504689 (or 504686 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 4542147 is about 2131.2313342291. The cubic root of 4542147 is about 165.6101924343.

It can be divided in two parts, 454 and 2147, that added together give a square (2601 = 51²).

The spelling of 4542147 in words is "four million, five hundred forty-two thousand, one hundred forty-seven".