340331445 has 12 divisors (see below), whose sum is σ = 589907916. Its totient is φ = 181510080.

The previous prime is 340331413. The next prime is 340331489. The reversal of 340331445 is 544133043.

340331445 is a `hidden beast` number, since 340 + 3 + 314 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 36108081 + 304223364 = 6009^2 + 17442^2 .

It is not a de Polignac number, because 340331445 - 2⁵ = 340331413 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3781416 + ... + 3781505.

It is an arithmetic number, because the mean of its divisors is an integer number (49158993).

Almost surely, 2^340331445 is an apocalyptic number.

It is an amenable number.

340331445 is a deficient number, since it is larger than the sum of its proper divisors (249576471).

340331445 is a wasteful number, since it uses less digits than its factorization.

340331445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7562932 (or 7562929 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 340331445 is about 18448.0742897463. The cubic root of 340331445 is about 698.1799281907.

Adding to 340331445 its reverse (544133043), we get a palindrome (884464488).

The spelling of 340331445 in words is "three hundred forty million, three hundred thirty-one thousand, four hundred forty-five".