4546 has 4 divisors (see below), whose sum is σ = 6822. Its totient is φ = 2272.

The previous prime is 4523. The next prime is 4547. The reversal of 4546 is 6454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3025 + 1521 = 55^2 + 39^2 .

It is a super-2 number, since 2×4546² = 41332232, which contains 22 as substring.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (4547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135 + ... + 1138.

2⁴⁵⁴⁶ is an apocalyptic number.

4546 is a deficient number, since it is larger than the sum of its proper divisors (2276).

4546 is a wasteful number, since it uses less digits than its factorization.

4546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275.

The product of its digits is 480, while the sum is 19.

The square root of 4546 is about 67.4240313242. The cubic root of 4546 is about 16.5657006986.

It can be divided in two parts, 45 and 46, that added together give a triangular number (91 = T₁₃).

The spelling of 4546 in words is "four thousand, five hundred forty-six".