142830756 has 24 divisors (see below), whose sum is σ = 370302240. Its totient is φ = 47610216.

The previous prime is 142830739. The next prime is 142830773. The reversal of 142830756 is 657038241.

It is an interprime number because it is at equal distance from previous prime (142830739) and next prime (142830773).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 142830756.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661146 + ... + 661361.

It is an arithmetic number, because the mean of its divisors is an integer number (15429260).

Almost surely, 2^142830756 is an apocalyptic number.

It is an amenable number.

142830756 is an abundant number, since it is smaller than the sum of its proper divisors (227471484).

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

142830756 is a wasteful number, since it uses less digits than its factorization.

142830756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322520 (or 1322512 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 142830756 is about 11951.1822009373. The cubic root of 142830756 is about 522.7257707338.

Adding to 142830756 its reverse (657038241), we get a palindrome (799868997).

The spelling of 142830756 in words is "one hundred forty-two million, eight hundred thirty thousand, seven hundred fifty-six".