142888 has 16 divisors (see below), whose sum is σ = 273780. Its totient is φ = 69888.

The previous prime is 142873. The next prime is 142897. The reversal of 142888 is 888241.

It can be written as a sum of positive squares in 2 ways, for example, as 142884 + 4 = 378^2 + 2^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

142888 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 256 + ... + 592.

2¹⁴²⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

142888 is a deficient number, since it is larger than the sum of its proper divisors (130892).

142888 is a wasteful number, since it uses less digits than its factorization.

142888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 392 counting only the distinct ones).

The product of its digits is 4096, while the sum is 31.

The square root of 142888 is about 378.0052909683. The cubic root of 142888 is about 52.2795594438.

The spelling of 142888 in words is "one hundred forty-two thousand, eight hundred eighty-eight".