1142332002 has 96 divisors (see below), whose sum is σ = 2941660800. Its totient is φ = 320130720.

The previous prime is 1142332001. The next prime is 1142332057. The reversal of 1142332002 is 2002332411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1142332001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 325477 + ... + 328967.

It is an arithmetic number, because the mean of its divisors is an integer number (30642300).

Almost surely, 2^1142332002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142332002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1470830400).

1142332002 is an abundant number, since it is smaller than the sum of its proper divisors (1799328798).

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

1142332002 is a wasteful number, since it uses less digits than its factorization.

1142332002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573 (or 3556 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1142332002 is about 33798.4023586915. The cubic root of 1142332002 is about 1045.3557550374.

Adding to 1142332002 its reverse (2002332411), we get a palindrome (3144664413).

The spelling of 1142332002 in words is "one billion, one hundred forty-two million, three hundred thirty-two thousand, two".