143020551133 has 4 divisors (see below), whose sum is σ = 143197338780. Its totient is φ = 142843763488.

The previous prime is 143020551131. The next prime is 143020551203. The reversal of 143020551133 is 331155020341.

It is a happy number.

143020551133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 116159635684 + 26860915449 = 340822^2 + 163893^2 .

It is a cyclic number.

It is not a de Polignac number, because 143020551133 - 2¹ = 143020551131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143020551131) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 88392610 + ... + 88394227.

It is an arithmetic number, because the mean of its divisors is an integer number (35799334695).

Almost surely, 2^143020551133 is an apocalyptic number.

It is an amenable number.

143020551133 is a deficient number, since it is larger than the sum of its proper divisors (176787647).

143020551133 is an equidigital number, since it uses as much as digits as its factorization.

143020551133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176787646.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 143020551133 its reverse (331155020341), we get a palindrome (474175571474).

The spelling of 143020551133 in words is "one hundred forty-three billion, twenty million, five hundred fifty-one thousand, one hundred thirty-three".