3545220143 has 8 divisors (see below), whose sum is σ = 3664415760. Its totient is φ = 3427994880.

The previous prime is 3545220073. The next prime is 3545220221. The reversal of 3545220143 is 3410225453.

It is a happy number.

3545220143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3545220143 - 2²⁰ = 3544171567 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 (3545220743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488930 + ... + 496127.

It is an arithmetic number, because the mean of its divisors is an integer number (458051970).

Almost surely, 2^3545220143 is an apocalyptic number.

3545220143 is a deficient number, since it is larger than the sum of its proper divisors (119195617).

3545220143 is an equidigital number, since it uses as much as digits as its factorization.

3545220143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985177.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 3545220143 is about 59541.7512590955. The cubic root of 3545220143 is about 1524.8053347150.

Adding to 3545220143 its reverse (3410225453), we get a palindrome (6955445596).

The spelling of 3545220143 in words is "three billion, five hundred forty-five million, two hundred twenty thousand, one hundred forty-three".