45543577 has 2 divisors, whose sum is σ = 45543578. Its totient is φ = 45543576.

The previous prime is 45543571. The next prime is 45543581. The reversal of 45543577 is 77534554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34857216 + 10686361 = 5904^2 + 3269^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45543577 is a prime.

It is equal to p_2749189 and since 45543577 and 2749189 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (45543571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22771788 + 22771789.

It is an arithmetic number, because the mean of its divisors is an integer number (22771789).

Almost surely, 2^45543577 is an apocalyptic number.

It is an amenable number.

45543577 is a deficient number, since it is larger than the sum of its proper divisors (1).

45543577 is an equidigital number, since it uses as much as digits as its factorization.

45543577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294000, while the sum is 40.

The square root of 45543577 is about 6748.5981507273. The cubic root of 45543577 is about 357.1157839363.

The spelling of 45543577 in words is "forty-five million, five hundred forty-three thousand, five hundred seventy-seven".