1142320232 has 16 divisors (see below), whose sum is σ = 2144996640. Its totient is φ = 570321136.

The previous prime is 1142320217. The next prime is 1142320259. The reversal of 1142320232 is 2320232411.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99068 + ... + 109995.

It is an arithmetic number, because the mean of its divisors is an integer number (134062290).

Almost surely, 2^1142320232 is an apocalyptic number.

It is an amenable number.

1142320232 is a deficient number, since it is larger than the sum of its proper divisors (1002676408).

1142320232 is a wasteful number, since it uses less digits than its factorization.

1142320232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209752 (or 209748 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1142320232 is about 33798.2282375867. The cubic root of 1142320232 is about 1045.3521647562.

Adding to 1142320232 its reverse (2320232411), we get a palindrome (3462552643).

The spelling of 1142320232 in words is "one billion, one hundred forty-two million, three hundred twenty thousand, two hundred thirty-two".