142786326 has 16 divisors (see below), whose sum is σ = 288401328. Its totient is φ = 47124000.

The previous prime is 142786307. The next prime is 142786327. The reversal of 142786326 is 623687241.

It is a happy number.

It is a super-3 number, since 3×142786326³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142786327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117205 + ... + 118416.

It is an arithmetic number, because the mean of its divisors is an integer number (18025083).

Almost surely, 2^142786326 is an apocalyptic number.

142786326 is an abundant number, since it is smaller than the sum of its proper divisors (145615002).

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

142786326 is a wasteful number, since it uses less digits than its factorization.

142786326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235727.

The product of its digits is 96768, while the sum is 39.

The square root of 142786326 is about 11949.3232444352. The cubic root of 142786326 is about 522.6715641208.

The spelling of 142786326 in words is "one hundred forty-two million, seven hundred eighty-six thousand, three hundred twenty-six".