243024145 has 32 divisors (see below), whose sum is σ = 363525120. Its totient is φ = 151856640.

The previous prime is 243024143. The next prime is 243024149. The reversal of 243024145 is 541420342.

It is a happy number.

It is not a de Polignac number, because 243024145 - 2¹ = 243024143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243024143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32565 + ... + 39325.

It is an arithmetic number, because the mean of its divisors is an integer number (11360160).

Almost surely, 2^243024145 is an apocalyptic number.

It is an amenable number.

243024145 is a deficient number, since it is larger than the sum of its proper divisors (120500975).

243024145 is a wasteful number, since it uses less digits than its factorization.

243024145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6865.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 243024145 is about 15589.2317001192. The cubic root of 243024145 is about 624.0458143891.

Adding to 243024145 its reverse (541420342), we get a palindrome (784444487).

The spelling of 243024145 in words is "two hundred forty-three million, twenty-four thousand, one hundred forty-five".