142347 has 8 divisors (see below), whose sum is σ = 198144. Its totient is φ = 90728.

The previous prime is 142327. The next prime is 142357. The reversal of 142347 is 743241.

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

It is a cyclic number.

It is not a de Polignac number, because 142347 - 2¹² = 138251 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142347.

It is not an unprimeable number, because it can be changed into a prime (142327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963 + ... + 1100.

It is an arithmetic number, because the mean of its divisors is an integer number (24768).

2¹⁴²³⁴⁷ is an apocalyptic number.

142347 is a deficient number, since it is larger than the sum of its proper divisors (55797).

142347 is a wasteful number, since it uses less digits than its factorization.

142347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089.

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

The square root of 142347 is about 377.2890138872. The cubic root of 142347 is about 52.2134960186.

Adding to 142347 its reverse (743241), we get a palindrome (885588).

It can be divided in two parts, 14234 and 7, that added together give a palindrome (14241).

The spelling of 142347 in words is "one hundred forty-two thousand, three hundred forty-seven", and thus it is an iban number.