1142345132 has 12 divisors (see below), whose sum is σ = 2104320120. Its totient is φ = 541110816.

The previous prime is 1142345131. The next prime is 1142345153. The reversal of 1142345132 is 2315432411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1142345131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7515353 + ... + 7515504.

It is an arithmetic number, because the mean of its divisors is an integer number (175360010).

Almost surely, 2^1142345132 is an apocalyptic number.

It is an amenable number.

1142345132 is a deficient number, since it is larger than the sum of its proper divisors (961974988).

1142345132 is a wasteful number, since it uses less digits than its factorization.

1142345132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15030880 (or 15030878 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 1142345132 is about 33798.5965980838. The cubic root of 1142345132 is about 1045.3597601394.

Adding to 1142345132 its reverse (2315432411), we get a palindrome (3457777543).

The spelling of 1142345132 in words is "one billion, one hundred forty-two million, three hundred forty-five thousand, one hundred thirty-two".