345646755 has 12 divisors (see below), whose sum is σ = 599121120. Its totient is φ = 184344912.

The previous prime is 345646729. The next prime is 345646757. The reversal of 345646755 is 557646543.

345646755 is a `hidden beast` number, since 34 + 564 + 6 + 7 + 55 = 666.

It is not a de Polignac number, because 345646755 - 2⁵ = 345646723 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 7681039 = 345646755 / (3 + 4 + 5 + 6 + 4 + 6 + 7 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 345646755.

It is not an unprimeable number, because it can be changed into a prime (345646757) 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 11 ways as a sum of consecutive naturals, for example, 3840475 + ... + 3840564.

It is an arithmetic number, because the mean of its divisors is an integer number (49926760).

Almost surely, 2^345646755 is an apocalyptic number.

345646755 is a deficient number, since it is larger than the sum of its proper divisors (253474365).

345646755 is a wasteful number, since it uses less digits than its factorization.

345646755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7681050 (or 7681047 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 45.

The square root of 345646755 is about 18591.5775285477. The cubic root of 345646755 is about 701.7959021444.

The spelling of 345646755 in words is "three hundred forty-five million, six hundred forty-six thousand, seven hundred fifty-five".