143445452201 has 4 divisors (see below), whose sum is σ = 143496017412. Its totient is φ = 143394886992.

The previous prime is 143445452191. The next prime is 143445452203. The reversal of 143445452201 is 102254544341.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29268366400 + 114177085801 = 171080^2 + 337901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143445452201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143445452203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25278350 + ... + 25284023.

It is an arithmetic number, because the mean of its divisors is an integer number (35874004353).

Almost surely, 2^143445452201 is an apocalyptic number.

It is an amenable number.

143445452201 is a deficient number, since it is larger than the sum of its proper divisors (50565211).

143445452201 is an equidigital number, since it uses as much as digits as its factorization.

143445452201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50565210.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 143445452201 its reverse (102254544341), we get a palindrome (245699996542).

The spelling of 143445452201 in words is "one hundred forty-three billion, four hundred forty-five million, four hundred fifty-two thousand, two hundred one".