1142132456 has 32 divisors (see below), whose sum is σ = 2173983840. Its totient is φ = 562446528.

The previous prime is 1142132419. The next prime is 1142132489. The reversal of 1142132456 is 6542312411.

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 7 ways as a sum of consecutive naturals, for example, 227930 + ... + 232886.

It is an arithmetic number, because the mean of its divisors is an integer number (67936995).

Almost surely, 2^1142132456 is an apocalyptic number.

It is an amenable number.

1142132456 is a deficient number, since it is larger than the sum of its proper divisors (1031851384).

1142132456 is a wasteful number, since it uses less digits than its factorization.

1142132456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5393 (or 5389 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 1142132456 is about 33795.4502263248. The cubic root of 1142132456 is about 1045.2948828606.

Adding to 1142132456 its reverse (6542312411), we get a palindrome (7684444867).

The spelling of 1142132456 in words is "one billion, one hundred forty-two million, one hundred thirty-two thousand, four hundred fifty-six".