4540232 has 8 divisors (see below), whose sum is σ = 8512950. Its totient is φ = 2270112.

The previous prime is 4540231. The next prime is 4540303. The reversal of 4540232 is 2320454.

It can be written as a sum of positive squares in only one way, i.e., 2540836 + 1999396 = 1594^2 + 1414^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×4540232² = 41227413227648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4540231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283757 + ... + 283772.

Almost surely, 2^4540232 is an apocalyptic number.

It is an amenable number.

4540232 is a deficient number, since it is larger than the sum of its proper divisors (3972718).

4540232 is a wasteful number, since it uses less digits than its factorization.

4540232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567535 (or 567531 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 4540232 is about 2130.7820160683. The cubic root of 4540232 is about 165.5869150357.

Adding to 4540232 its reverse (2320454), we get a palindrome (6860686).

The spelling of 4540232 in words is "four million, five hundred forty thousand, two hundred thirty-two".