1142302112 has 72 divisors (see below), whose sum is σ = 2706393060. Its totient is φ = 472657920.

The previous prime is 1142302087. The next prime is 1142302121. The reversal of 1142302112 is 2112032411.

It can be written as a sum of positive squares in 2 ways, for example, as 1142169616 + 132496 = 33796^2 + 364^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32912 + ... + 58032.

Almost surely, 2^1142302112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142302112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353196530).

1142302112 is an abundant number, since it is smaller than the sum of its proper divisors (1564090948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142302112 is a wasteful number, since it uses less digits than its factorization.

1142302112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25174 (or 25159 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1142302112 is about 33797.9601751348. The cubic root of 1142302112 is about 1045.3466374441.

Adding to 1142302112 its reverse (2112032411), we get a palindrome (3254334523).

The spelling of 1142302112 in words is "one billion, one hundred forty-two million, three hundred two thousand, one hundred twelve".