142868684 has 12 divisors (see below), whose sum is σ = 285737424. Its totient is φ = 61229424.

The previous prime is 142868651. The next prime is 142868689. The reversal of 142868684 is 486868241.

It is a happy number.

142868684 is an admirable number.

It is a super-2 number, since 2×142868684² = 40822921735783712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142868689) 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 3 ways as a sum of consecutive naturals, for example, 2551199 + ... + 2551254.

It is an arithmetic number, because the mean of its divisors is an integer number (23811452).

Almost surely, 2^142868684 is an apocalyptic number.

142868684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142868684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142868684 is a wasteful number, since it uses less digits than its factorization.

142868684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102464 (or 5102462 counting only the distinct ones).

The product of its digits is 589824, while the sum is 47.

The square root of 142868684 is about 11952.7688842377. The cubic root of 142868684 is about 522.7720357189.

The spelling of 142868684 in words is "one hundred forty-two million, eight hundred sixty-eight thousand, six hundred eighty-four".