1000143332 has 24 divisors (see below), whose sum is σ = 1771649880. Its totient is φ = 493977600.

The previous prime is 1000143301. The next prime is 1000143341. The reversal of 1000143332 is 2333410001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 539354176 + 460789156 = 23224^2 + 21466^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1000143332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231044 + ... + 235332.

It is an arithmetic number, because the mean of its divisors is an integer number (73818745).

Almost surely, 2^1000143332 is an apocalyptic number.

It is an amenable number.

1000143332 is a deficient number, since it is larger than the sum of its proper divisors (771506548).

1000143332 is a wasteful number, since it uses less digits than its factorization.

1000143332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991 (or 4989 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1000143332 is about 31625.0427983900. The cubic root of 1000143332 is about 1000.0477750508.

Adding to 1000143332 its reverse (2333410001), we get a palindrome (3333553333).

The spelling of 1000143332 in words is "one billion, one hundred forty-three thousand, three hundred thirty-two".