142867826 has 8 divisors (see below), whose sum is σ = 216268140. Its totient is φ = 70778448.

The previous prime is 142867811. The next prime is 142867831. The reversal of 142867826 is 628768241.

It can be written as a sum of positive squares in 2 ways, for example, as 141967225 + 900601 = 11915^2 + 949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×142867826² = 40822431411932552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327461 + ... + 327896.

Almost surely, 2^142867826 is an apocalyptic number.

142867826 is a deficient number, since it is larger than the sum of its proper divisors (73400314).

142867826 is a wasteful number, since it uses less digits than its factorization.

142867826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655468.

The product of its digits is 258048, while the sum is 44.

The square root of 142867826 is about 11952.7329929184. The cubic root of 142867826 is about 522.7709892118.

The spelling of 142867826 in words is "one hundred forty-two million, eight hundred sixty-seven thousand, eight hundred twenty-six".