340450245 has 24 divisors (see below), whose sum is σ = 624827736. Its totient is φ = 170892288.

The previous prime is 340450219. The next prime is 340450247. The reversal of 340450245 is 542054043.

It can be written as a sum of positive squares in 4 ways, for example, as 190191681 + 150258564 = 13791^2 + 12258^2 .

It is not a de Polignac number, because 340450245 - 2⁶ = 340450181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340450247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221752 + ... + 223281.

It is an arithmetic number, because the mean of its divisors is an integer number (26034489).

Almost surely, 2^340450245 is an apocalyptic number.

It is an amenable number.

340450245 is a deficient number, since it is larger than the sum of its proper divisors (284377491).

340450245 is a wasteful number, since it uses less digits than its factorization.

340450245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445061 (or 445058 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 340450245 is about 18451.2938570714. The cubic root of 340450245 is about 698.2611569727.

The spelling of 340450245 in words is "three hundred forty million, four hundred fifty thousand, two hundred forty-five".