3545421143 has 4 divisors (see below), whose sum is σ = 3867732168. Its totient is φ = 3223110120.

The previous prime is 3545421137. The next prime is 3545421161. The reversal of 3545421143 is 3411245453.

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

It is a cyclic number.

It is not a de Polignac number, because 3545421143 - 2²⁸ = 3276985687 is a prime.

It is a super-2 number, since 2×3545421143² = 25140022162462852898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3545421163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161155496 + ... + 161155517.

It is an arithmetic number, because the mean of its divisors is an integer number (966933042).

Almost surely, 2^3545421143 is an apocalyptic number.

3545421143 is a deficient number, since it is larger than the sum of its proper divisors (322311025).

3545421143 is a wasteful number, since it uses less digits than its factorization.

3545421143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322311024.

The product of its digits is 28800, while the sum is 32.

The square root of 3545421143 is about 59543.4391264059. The cubic root of 3545421143 is about 1524.8341509867.

Adding to 3545421143 its reverse (3411245453), we get a palindrome (6956666596).

The spelling of 3545421143 in words is "three billion, five hundred forty-five million, four hundred twenty-one thousand, one hundred forty-three".