4542149 has 2 divisors, whose sum is σ = 4542150. Its totient is φ = 4542148.

The previous prime is 4542143. The next prime is 4542173. The reversal of 4542149 is 9412454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3265249 + 1276900 = 1807^2 + 1130^2 .

It is a cyclic number.

It is not a de Polignac number, because 4542149 - 2¹⁶ = 4476613 is a prime.

It is a super-2 number, since 2×4542149² = 41262235076402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another 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 as a sum of consecutive naturals, namely, 2271074 + 2271075.

It is an arithmetic number, because the mean of its divisors is an integer number (2271075).

Almost surely, 2^4542149 is an apocalyptic number.

It is an amenable number.

4542149 is a deficient number, since it is larger than the sum of its proper divisors (1).

4542149 is an equidigital number, since it uses as much as digits as its factorization.

4542149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 4542149 is about 2131.2318034414. The cubic root of 4542149 is about 165.6102167415.

The spelling of 4542149 in words is "four million, five hundred forty-two thousand, one hundred forty-nine".