143214347 has 4 divisors (see below), whose sum is σ = 143241840. Its totient is φ = 143186856.

The previous prime is 143214319. The next prime is 143214349. The reversal of 143214347 is 743412341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743412341 = 7 ⋅106201763.

It is a cyclic number.

It is not a de Polignac number, because 143214347 - 2¹⁴ = 143197963 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143214349) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3272 + ... + 17237.

It is an arithmetic number, because the mean of its divisors is an integer number (35810460).

Almost surely, 2^143214347 is an apocalyptic number.

143214347 is a deficient number, since it is larger than the sum of its proper divisors (27493).

143214347 is an equidigital number, since it uses as much as digits as its factorization.

143214347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27492.

The product of its digits is 8064, while the sum is 29.

The square root of 143214347 is about 11967.2196854574. The cubic root of 143214347 is about 523.1933023139.

Adding to 143214347 its reverse (743412341), we get a palindrome (886626688).

The spelling of 143214347 in words is "one hundred forty-three million, two hundred fourteen thousand, three hundred forty-seven".