3545872157 has 2 divisors, whose sum is σ = 3545872158. Its totient is φ = 3545872156.

The previous prime is 3545872081. The next prime is 3545872181. The reversal of 3545872157 is 7512785453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2553685156 + 992187001 = 50534^2 + 31499^2 .

It is a cyclic number.

It is not a de Polignac number, because 3545872157 - 2³⁰ = 2472130333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3545872657) 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 as a sum of consecutive naturals, namely, 1772936078 + 1772936079.

It is an arithmetic number, because the mean of its divisors is an integer number (1772936079).

Almost surely, 2^3545872157 is an apocalyptic number.

It is an amenable number.

3545872157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3545872157 is an equidigital number, since it uses as much as digits as its factorization.

3545872157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176000, while the sum is 47.

The square root of 3545872157 is about 59547.2262746133. The cubic root of 3545872157 is about 1524.8988064359.

The spelling of 3545872157 in words is "three billion, five hundred forty-five million, eight hundred seventy-two thousand, one hundred fifty-seven".