1142140432 has 20 divisors (see below), whose sum is σ = 2214835920. Its totient is φ = 570569888.

The previous prime is 1142140411. The next prime is 1142140451. The reversal of 1142140432 is 2340412411.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 12082 + ... + 49297.

It is an arithmetic number, because the mean of its divisors is an integer number (110741796).

Almost surely, 2^1142140432 is an apocalyptic number.

It is an amenable number.

1142140432 is a deficient number, since it is larger than the sum of its proper divisors (1072695488).

1142140432 is a wasteful number, since it uses less digits than its factorization.

1142140432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62550 (or 62544 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1142140432 is about 33795.5682301689. The cubic root of 1142140432 is about 1045.2973161022.

Adding to 1142140432 its reverse (2340412411), we get a palindrome (3482552843).

The spelling of 1142140432 in words is "one billion, one hundred forty-two million, one hundred forty thousand, four hundred thirty-two".