142678782 has 48 divisors (see below), whose sum is σ = 321038640. Its totient is φ = 45741696.

The previous prime is 142678777. The next prime is 142678801. The reversal of 142678782 is 287876241.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 230938 + ... + 231554.

It is an arithmetic number, because the mean of its divisors is an integer number (6688305).

Almost surely, 2^142678782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142678782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160519320).

142678782 is an abundant number, since it is smaller than the sum of its proper divisors (178359858).

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

142678782 is a wasteful number, since it uses less digits than its factorization.

142678782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097 (or 1094 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 142678782 is about 11944.8223929868. The cubic root of 142678782 is about 522.5403090015.

It can be divided in two parts, 1426 and 78782, that added together give a palindrome (80208).

The spelling of 142678782 in words is "one hundred forty-two million, six hundred seventy-eight thousand, seven hundred eighty-two".