142828347 has 8 divisors (see below), whose sum is σ = 194489856. Its totient is φ = 93192872.

The previous prime is 142828331. The next prime is 142828363. The reversal of 142828347 is 743828241.

It is an interprime number because it is at equal distance from previous prime (142828331) and next prime (142828363).

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 142828347 - 2⁴ = 142828331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142828307) 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 7 ways as a sum of consecutive naturals, for example, 506343 + ... + 506624.

It is an arithmetic number, because the mean of its divisors is an integer number (24311232).

Almost surely, 2^142828347 is an apocalyptic number.

142828347 is a deficient number, since it is larger than the sum of its proper divisors (51661509).

142828347 is a wasteful number, since it uses less digits than its factorization.

142828347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013017.

The product of its digits is 86016, while the sum is 39.

The square root of 142828347 is about 11951.0814155038. The cubic root of 142828347 is about 522.7228319329.

The spelling of 142828347 in words is "one hundred forty-two million, eight hundred twenty-eight thousand, three hundred forty-seven".