142857299 has 16 divisors (see below), whose sum is σ = 157960320. Its totient is φ = 128373120.

The previous prime is 142857293. The next prime is 142857317. The reversal of 142857299 is 992758241.

It is a cyclic number.

It is not a de Polignac number, because 142857299 - 2¹² = 142853203 is a prime.

It is a super-3 number, since 3×142857299³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142857293) 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, 139409 + ... + 140429.

It is an arithmetic number, because the mean of its divisors is an integer number (9872520).

Almost surely, 2^142857299 is an apocalyptic number.

142857299 is a deficient number, since it is larger than the sum of its proper divisors (15103021).

142857299 is a wasteful number, since it uses less digits than its factorization.

142857299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310.

The product of its digits is 362880, while the sum is 47.

The square root of 142857299 is about 11952.2926252665. The cubic root of 142857299 is about 522.7581490328.

The spelling of 142857299 in words is "one hundred forty-two million, eight hundred fifty-seven thousand, two hundred ninety-nine".