142786146 has 16 divisors (see below), whose sum is σ = 285848064. Its totient is φ = 47549424.

The previous prime is 142786123. The next prime is 142786153. The reversal of 142786146 is 641687241.

It is a super-3 number, since 3×142786146³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4425 + ... + 17468.

It is an arithmetic number, because the mean of its divisors is an integer number (17865504).

Almost surely, 2^142786146 is an apocalyptic number.

142786146 is an abundant number, since it is smaller than the sum of its proper divisors (143061918).

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

142786146 is a wasteful number, since it uses less digits than its factorization.

142786146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22985.

The product of its digits is 64512, while the sum is 39.

The square root of 142786146 is about 11949.3157126256. The cubic root of 142786146 is about 522.6713444898.

The spelling of 142786146 in words is "one hundred forty-two million, seven hundred eighty-six thousand, one hundred forty-six".