340540045 has 16 divisors (see below), whose sum is σ = 420359040. Its totient is φ = 264648384.

The previous prime is 340540043. The next prime is 340540049. The reversal of 340540045 is 540045043.

It is a cyclic number.

It is not a de Polignac number, because 340540045 - 2¹ = 340540043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340540043) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 169014 + ... + 171016.

It is an arithmetic number, because the mean of its divisors is an integer number (26272440).

Almost surely, 2^340540045 is an apocalyptic number.

It is an amenable number.

340540045 is a deficient number, since it is larger than the sum of its proper divisors (79818995).

340540045 is a wasteful number, since it uses less digits than its factorization.

340540045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 340540045 is about 18453.7271303116. The cubic root of 340540045 is about 698.3225446405.

Adding to 340540045 its reverse (540045043), we get a palindrome (880585088).

The spelling of 340540045 in words is "three hundred forty million, five hundred forty thousand, forty-five".