1142135524 has 48 divisors (see below), whose sum is σ = 2163369600. Its totient is φ = 525830400.

The previous prime is 1142135479. The next prime is 1142135537. The reversal of 1142135524 is 4255312411.

It is a junction number, because it is equal to n+sod(n) for n = 1142135492 and 1142135501.

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 15 ways as a sum of consecutive naturals, for example, 1118134 + ... + 1119154.

It is an arithmetic number, because the mean of its divisors is an integer number (45070200).

Almost surely, 2^1142135524 is an apocalyptic number.

It is an amenable number.

1142135524 is a deficient number, since it is larger than the sum of its proper divisors (1021234076).

1142135524 is a wasteful number, since it uses less digits than its factorization.

1142135524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444 (or 1442 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 1142135524 is about 33795.4956170197. The cubic root of 1142135524 is about 1045.2958188180.

Adding to 1142135524 its reverse (4255312411), we get a palindrome (5397447935).

The spelling of 1142135524 in words is "one billion, one hundred forty-two million, one hundred thirty-five thousand, five hundred twenty-four".