240045243 has 8 divisors (see below), whose sum is σ = 324445008. Its totient is φ = 157837824.

The previous prime is 240045229. The next prime is 240045257. The reversal of 240045243 is 342540042.

It is an interprime number because it is at equal distance from previous prime (240045229) and next prime (240045257).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 240045243 - 2¹⁰ = 240044219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240045263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547830 + ... + 548267.

It is an arithmetic number, because the mean of its divisors is an integer number (40555626).

Almost surely, 2^240045243 is an apocalyptic number.

240045243 is a deficient number, since it is larger than the sum of its proper divisors (84399765).

240045243 is a wasteful number, since it uses less digits than its factorization.

240045243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096173.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 240045243 is about 15493.3935275652. The cubic root of 240045243 is about 621.4855488817.

Adding to 240045243 its reverse (342540042), we get a palindrome (582585285).

The spelling of 240045243 in words is "two hundred forty million, forty-five thousand, two hundred forty-three".