1142163532 has 24 divisors (see below), whose sum is σ = 2088658656. Its totient is φ = 545474688.

The previous prime is 1142163499. The next prime is 1142163563. The reversal of 1142163532 is 2353612411.

It is a self number, because there is not a number n which added to its sum of digits gives 1142163532.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58968 + ... + 75904.

It is an arithmetic number, because the mean of its divisors is an integer number (87027444).

Almost surely, 2^1142163532 is an apocalyptic number.

It is an amenable number.

1142163532 is a deficient number, since it is larger than the sum of its proper divisors (946495124).

1142163532 is a wasteful number, since it uses less digits than its factorization.

1142163532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17697 (or 17695 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 1142163532 is about 33795.9099892280. The cubic root of 1142163532 is about 1045.3043631648.

Adding to 1142163532 its reverse (2353612411), we get a palindrome (3495775943).

The spelling of 1142163532 in words is "one billion, one hundred forty-two million, one hundred sixty-three thousand, five hundred thirty-two".