240102243 has 12 divisors (see below), whose sum is σ = 353358720. Its totient is φ = 157047696.

The previous prime is 240102241. The next prime is 240102293. The reversal of 240102243 is 342201042.

It is not a de Polignac number, because 240102243 - 2¹ = 240102241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240102241) 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 11 ways as a sum of consecutive naturals, for example, 251203 + ... + 252156.

It is an arithmetic number, because the mean of its divisors is an integer number (29446560).

Almost surely, 2^240102243 is an apocalyptic number.

240102243 is a deficient number, since it is larger than the sum of its proper divisors (113256477).

240102243 is a wasteful number, since it uses less digits than its factorization.

240102243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503418 (or 503415 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 240102243 is about 15495.2329120927. The cubic root of 240102243 is about 621.5347366547.

Adding to 240102243 its reverse (342201042), we get a palindrome (582303285).

The spelling of 240102243 in words is "two hundred forty million, one hundred two thousand, two hundred forty-three".