142855486 has 8 divisors (see below), whose sum is σ = 216286200. Its totient is φ = 70760088.

The previous prime is 142855477. The next prime is 142855487. The reversal of 142855486 is 684558241.

142855486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142855487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333561 + ... + 333988.

It is an arithmetic number, because the mean of its divisors is an integer number (27035775).

Almost surely, 2^142855486 is an apocalyptic number.

142855486 is a deficient number, since it is larger than the sum of its proper divisors (73430714).

142855486 is a wasteful number, since it uses less digits than its factorization.

142855486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667658.

The product of its digits is 307200, while the sum is 43.

The square root of 142855486 is about 11952.2167818359. The cubic root of 142855486 is about 522.7559375846.

It can be divided in two parts, 142855 and 486, that added together give a palindrome (143341).

The spelling of 142855486 in words is "one hundred forty-two million, eight hundred fifty-five thousand, four hundred eighty-six".