4542458 has 4 divisors (see below), whose sum is σ = 6813690. Its totient is φ = 2271228.

The previous prime is 4542457. The next prime is 4542467. The reversal of 4542458 is 8542454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8542454 = 2 ⋅4271227.

It can be written as a sum of positive squares in only one way, i.e., 2765569 + 1776889 = 1663^2 + 1333^2 .

It is a d-powerful number, because it can be written as 4⁸ + 5⁴ + 4⁹ + 2⁷ + 4¹¹ + 5⁶ + 8⁴ .

It is not an unprimeable number, because it can be changed into a prime (4542457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135613 + ... + 1135616.

Almost surely, 2^4542458 is an apocalyptic number.

4542458 is a deficient number, since it is larger than the sum of its proper divisors (2271232).

4542458 is a wasteful number, since it uses less digits than its factorization.

4542458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271231.

The product of its digits is 25600, while the sum is 32.

The square root of 4542458 is about 2131.3042954961. The cubic root of 4542458 is about 165.6139721149.

The spelling of 4542458 in words is "four million, five hundred forty-two thousand, four hundred fifty-eight".