1142231332 has 24 divisors (see below), whose sum is σ = 2250968832. Its totient is φ = 502447200.

The previous prime is 1142231287. The next prime is 1142231333. The reversal of 1142231332 is 2331322411.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1142231333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417343 + ... + 420070.

It is an arithmetic number, because the mean of its divisors is an integer number (93790368).

Almost surely, 2^1142231332 is an apocalyptic number.

It is an amenable number.

1142231332 is a deficient number, since it is larger than the sum of its proper divisors (1108737500).

1142231332 is a wasteful number, since it uses less digits than its factorization.

1142231332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837459 (or 837457 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 1142231332 is about 33796.9130543013. The cubic root of 1142231332 is about 1045.3250462023.

Adding to 1142231332 its reverse (2331322411), we get a palindrome (3473553743).

The spelling of 1142231332 in words is "one billion, one hundred forty-two million, two hundred thirty-one thousand, three hundred thirty-two".