142874286 has 32 divisors (see below), whose sum is σ = 291899808. Its totient is φ = 46609920.

The previous prime is 142874231. The next prime is 142874309. The reversal of 142874286 is 682478241.

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 15 ways as a sum of consecutive naturals, for example, 58816 + ... + 61196.

It is an arithmetic number, because the mean of its divisors is an integer number (9121869).

Almost surely, 2^142874286 is an apocalyptic number.

142874286 is an abundant number, since it is smaller than the sum of its proper divisors (149025522).

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

142874286 is a wasteful number, since it uses less digits than its factorization.

142874286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596.

The product of its digits is 172032, while the sum is 42.

The square root of 142874286 is about 11953.0032209483. The cubic root of 142874286 is about 522.7788684052.

The spelling of 142874286 in words is "one hundred forty-two million, eight hundred seventy-four thousand, two hundred eighty-six".