345147 has 8 divisors (see below), whose sum is σ = 502080. Its totient is φ = 209160.

The previous prime is 345143. The next prime is 345181. The reversal of 345147 is 741543.

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

It is not a de Polignac number, because 345147 - 2² = 345143 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345147.

It is not an unprimeable number, because it can be changed into a prime (345143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5197 + ... + 5262.

It is an arithmetic number, because the mean of its divisors is an integer number (62760).

2³⁴⁵¹⁴⁷ is an apocalyptic number.

345147 is a deficient number, since it is larger than the sum of its proper divisors (156933).

345147 is a wasteful number, since it uses less digits than its factorization.

345147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10473.

The product of its digits is 1680, while the sum is 24.

The square root of 345147 is about 587.4921276068. The cubic root of 345147 is about 70.1457507358.

It can be divided in two parts, 3 and 45147, that added together give a triangular number (45150 = T₃₀₀).

The spelling of 345147 in words is "three hundred forty-five thousand, one hundred forty-seven".