45445577 has 2 divisors, whose sum is σ = 45445578. Its totient is φ = 45445576.

The previous prime is 45445559. The next prime is 45445579. The reversal of 45445577 is 77554454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39075001 + 6370576 = 6251^2 + 2524^2 .

It is a cyclic number.

It is not a de Polignac number, because 45445577 - 2⁶ = 45445513 is a prime.

Together with 45445579, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45445579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22722788 + 22722789.

It is an arithmetic number, because the mean of its divisors is an integer number (22722789).

Almost surely, 2^45445577 is an apocalyptic number.

It is an amenable number.

45445577 is a deficient number, since it is larger than the sum of its proper divisors (1).

45445577 is an equidigital number, since it uses as much as digits as its factorization.

45445577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 392000, while the sum is 41.

The square root of 45445577 is about 6741.3334734309. Note that the first 3 decimals coincide. The cubic root of 45445577 is about 356.8594544936.

The spelling of 45445577 in words is "forty-five million, four hundred forty-five thousand, five hundred seventy-seven".