240045349 has 2 divisors, whose sum is σ = 240045350. Its totient is φ = 240045348.

The previous prime is 240045347. The next prime is 240045361. The reversal of 240045349 is 943540042.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148230625 + 91814724 = 12175^2 + 9582^2 .

It is a cyclic number.

It is not a de Polignac number, because 240045349 - 2¹ = 240045347 is a prime.

Together with 240045347, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 240045349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240045343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120022674 + 120022675.

It is an arithmetic number, because the mean of its divisors is an integer number (120022675).

Almost surely, 2^240045349 is an apocalyptic number.

It is an amenable number.

240045349 is a deficient number, since it is larger than the sum of its proper divisors (1).

240045349 is an equidigital number, since it uses as much as digits as its factorization.

240045349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 240045349 is about 15493.3969483777. The cubic root of 240045349 is about 621.4856403610.

The spelling of 240045349 in words is "two hundred forty million, forty-five thousand, three hundred forty-nine".