142443043400 has 96 divisors (see below), whose sum is σ = 394947757440. Its totient is φ = 46714229760.

The previous prime is 142443043381. The next prime is 142443043441. The reversal of 142443043400 is 4340344241.

It is a happy number.

It is a super-2 number, since 2×142443043400² (a number of 23 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 2179649 + ... + 2244048.

It is an arithmetic number, because the mean of its divisors is an integer number (4114039140).

Almost surely, 2^142443043400 is an apocalyptic number.

142443043400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142443043400 is an abundant number, since it is smaller than the sum of its proper divisors (252504714040).

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

142443043400 is a wasteful number, since it uses less digits than its factorization.

142443043400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423743 (or 4423734 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 142443043400 its reverse (4340344241), we get a palindrome (146783387641).

The spelling of 142443043400 in words is "one hundred forty-two billion, four hundred forty-three million, forty-three thousand, four hundred".