340345445 has 16 divisors (see below), whose sum is σ = 446472000. Its totient is φ = 247008000.

The previous prime is 340345441. The next prime is 340345451. The reversal of 340345445 is 544543043.

It is not a de Polignac number, because 340345445 - 2² = 340345441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340345441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21245 + ... + 33645.

It is an arithmetic number, because the mean of its divisors is an integer number (27904500).

Almost surely, 2^340345445 is an apocalyptic number.

It is an amenable number.

340345445 is a deficient number, since it is larger than the sum of its proper divisors (106126555).

340345445 is a wasteful number, since it uses less digits than its factorization.

340345445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12916.

The product of its (nonzero) digits is 57600, while the sum is 32.

The square root of 340345445 is about 18448.4537292425. The cubic root of 340345445 is about 698.1895015886.

Adding to 340345445 its reverse (544543043), we get a palindrome (884888488).

The spelling of 340345445 in words is "three hundred forty million, three hundred forty-five thousand, four hundred forty-five".