240212245 has 32 divisors (see below), whose sum is σ = 357654528. Its totient is φ = 150812928.

The previous prime is 240212243. The next prime is 240212257. The reversal of 240212245 is 542212042.

It is not a de Polignac number, because 240212245 - 2¹ = 240212243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240212243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55707 + ... + 59863.

It is an arithmetic number, because the mean of its divisors is an integer number (11176704).

Almost surely, 2^240212245 is an apocalyptic number.

It is an amenable number.

240212245 is a deficient number, since it is larger than the sum of its proper divisors (117442283).

240212245 is a wasteful number, since it uses less digits than its factorization.

240212245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4309.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 240212245 is about 15498.7820489224. The cubic root of 240212245 is about 621.6296401490.

Adding to 240212245 its reverse (542212042), we get a palindrome (782424287).

The spelling of 240212245 in words is "two hundred forty million, two hundred twelve thousand, two hundred forty-five".