1443142100 has 18 divisors (see below), whose sum is σ = 3131618574. Its totient is φ = 577256800.

The previous prime is 1443142091. The next prime is 1443142133. The reversal of 1443142100 is 12413441.

It can be written as a sum of positive squares in 3 ways, for example, as 9156676 + 1433985424 = 3026^2 + 37868^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 7215611 + ... + 7215810.

Almost surely, 2^1443142100 is an apocalyptic number.

1443142100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1443142100 is an abundant number, since it is smaller than the sum of its proper divisors (1688476474).

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

1443142100 is a wasteful number, since it uses less digits than its factorization.

1443142100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14431435 (or 14431428 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1443142100 is about 37988.7101649951. The cubic root of 1443142100 is about 1130.0639794615.

Adding to 1443142100 its reverse (12413441), we get a palindrome (1455555541).

The spelling of 1443142100 in words is "one billion, four hundred forty-three million, one hundred forty-two thousand, one hundred".