1142345328 has 60 divisors (see below), whose sum is σ = 3134899800. Its totient is φ = 358378496.

The previous prime is 1142345327. The next prime is 1142345339. The reversal of 1142345328 is 8235432411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142345327) 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 11 ways as a sum of consecutive naturals, for example, 27303 + ... + 55046.

It is an arithmetic number, because the mean of its divisors is an integer number (52248330).

Almost surely, 2^1142345328 is an apocalyptic number.

It is an amenable number.

1142345328 is an abundant number, since it is smaller than the sum of its proper divisors (1992554472).

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

1142345328 is a wasteful number, since it uses less digits than its factorization.

1142345328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82394 (or 82371 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 1142345328 is about 33798.5994976123. The cubic root of 1142345328 is about 1045.3598199259.

Adding to 1142345328 its reverse (8235432411), we get a palindrome (9377777739).

The spelling of 1142345328 in words is "one billion, one hundred forty-two million, three hundred forty-five thousand, three hundred twenty-eight".