340545745 has 8 divisors (see below), whose sum is σ = 408830400. Its totient is φ = 272319600.

The previous prime is 340545731. The next prime is 340545761. The reversal of 340545745 is 547545043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340545745 - 2¹⁹ = 340021457 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 595 + ... + 26104.

It is an arithmetic number, because the mean of its divisors is an integer number (51103800).

Almost surely, 2^340545745 is an apocalyptic number.

It is an amenable number.

340545745 is a deficient number, since it is larger than the sum of its proper divisors (68284655).

340545745 is a wasteful number, since it uses less digits than its factorization.

340545745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29255.

The product of its (nonzero) digits is 168000, while the sum is 37.

The square root of 340545745 is about 18453.8815700112. The cubic root of 340545745 is about 698.3264408208.

The spelling of 340545745 in words is "three hundred forty million, five hundred forty-five thousand, seven hundred forty-five".