1142785848 has 64 divisors (see below), whose sum is σ = 2941200000. Its totient is φ = 369747072.

The previous prime is 1142785823. The next prime is 1142785867. The reversal of 1142785848 is 8485872411.

It is a junction number, because it is equal to n+sod(n) for n = 1142785797 and 1142785806.

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 15 ways as a sum of consecutive naturals, for example, 441823 + ... + 444401.

It is an arithmetic number, because the mean of its divisors is an integer number (45956250).

Almost surely, 2^1142785848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142785848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1470600000).

1142785848 is an abundant number, since it is smaller than the sum of its proper divisors (1798414152).

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

1142785848 is a wasteful number, since it uses less digits than its factorization.

1142785848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124 (or 3120 counting only the distinct ones).

The product of its digits is 573440, while the sum is 48.

The square root of 1142785848 is about 33805.1157075375. The cubic root of 1142785848 is about 1045.4941758908.

The spelling of 1142785848 in words is "one billion, one hundred forty-two million, seven hundred eighty-five thousand, eight hundred forty-eight".