342147 has 16 divisors (see below), whose sum is σ = 508928. Its totient is φ = 203040.

The previous prime is 342143. The next prime is 342179. The reversal of 342147 is 741243.

It is not a de Polignac number, because 342147 - 2² = 342143 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342147.

It is not an unprimeable number, because it can be changed into a prime (342143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1068 + ... + 1350.

It is an arithmetic number, because the mean of its divisors is an integer number (31808).

2³⁴²¹⁴⁷ is an apocalyptic number.

342147 is a deficient number, since it is larger than the sum of its proper divisors (166781).

342147 is a wasteful number, since it uses less digits than its factorization.

342147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330.

The product of its digits is 672, while the sum is 21.

The square root of 342147 is about 584.9333295342. The cubic root of 342147 is about 69.9419246203.

The spelling of 342147 in words is "three hundred forty-two thousand, one hundred forty-seven", and thus it is an iban number.