3545640143 has 2 divisors, whose sum is σ = 3545640144. Its totient is φ = 3545640142.

The previous prime is 3545640089. The next prime is 3545640157. The reversal of 3545640143 is 3410465453.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3545640143 - 2⁸ = 3545639887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3545640193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1772820071 + 1772820072.

It is an arithmetic number, because the mean of its divisors is an integer number (1772820072).

Almost surely, 2^3545640143 is an apocalyptic number.

3545640143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3545640143 is an equidigital number, since it uses as much as digits as its factorization.

3545640143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 3545640143 is about 59545.2780915498. The cubic root of 3545640143 is about 1524.8655465802.

The spelling of 3545640143 in words is "three billion, five hundred forty-five million, six hundred forty thousand, one hundred forty-three".