143120245021100 has 144 divisors (see below), whose sum is σ = 321876284328480. Its totient is φ = 55194715699200.

The previous prime is 143120245021093. The next prime is 143120245021129. The reversal of 143120245021100 is 1120542021341.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 143120245021100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 178380032 + ... + 179180568.

Almost surely, 2^{143120245021100} is an apocalyptic number.

143120245021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143120245021100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160938142164240).

143120245021100 is an abundant number, since it is smaller than the sum of its proper divisors (178756039307380).

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

143120245021100 is a wasteful number, since it uses less digits than its factorization.

143120245021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801028 (or 801021 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 143120245021100 its reverse (1120542021341), we get a palindrome (144240787042441).

The spelling of 143120245021100 in words is "one hundred forty-three trillion, one hundred twenty billion, two hundred forty-five million, twenty-one thousand, one hundred".