240397245 has 48 divisors (see below), whose sum is σ = 464285952. Its totient is φ = 114065280.

The previous prime is 240397229. The next prime is 240397307. The reversal of 240397245 is 542793042.

240397245 is a `hidden beast` number, since 2 + 403 + 9 + 7 + 245 = 666.

It is not a de Polignac number, because 240397245 - 2⁴ = 240397229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18099 + ... + 28431.

It is an arithmetic number, because the mean of its divisors is an integer number (9672624).

Almost surely, 2^240397245 is an apocalyptic number.

It is an amenable number.

240397245 is a deficient number, since it is larger than the sum of its proper divisors (223888707).

240397245 is a wasteful number, since it uses less digits than its factorization.

240397245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10402 (or 10399 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 240397245 is about 15504.7491111595. The cubic root of 240397245 is about 621.7891823533.

The spelling of 240397245 in words is "two hundred forty million, three hundred ninety-seven thousand, two hundred forty-five".