142886268 has 90 divisors (see below), whose sum is σ = 428602328. Its totient is φ = 40662000.

The previous prime is 142886257. The next prime is 142886279. The reversal of 142886268 is 862688241.

142886268 is a `hidden beast` number, since 14 + 2 + 8 + 8 + 626 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (142886257) and next prime (142886279).

It is a congruent number.

It is an unprimeable number.

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 29 ways as a sum of consecutive naturals, for example, 569143 + ... + 569393.

Almost surely, 2^142886268 is an apocalyptic number.

142886268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142886268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214301164).

142886268 is an abundant number, since it is smaller than the sum of its proper divisors (285716060).

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

142886268 is an equidigital number, since it uses as much as digits as its factorization.

142886268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 263 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 142886268 is about 11953.5044233898. The cubic root of 142886268 is about 522.7934820945.

The spelling of 142886268 in words is "one hundred forty-two million, eight hundred eighty-six thousand, two hundred sixty-eight".