45571769 has 2 divisors, whose sum is σ = 45571770. Its totient is φ = 45571768.

The previous prime is 45571751. The next prime is 45571793. The reversal of 45571769 is 96717554.

45571769 is nontrivially palindromic in base 13.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28761769 + 16810000 = 5363^2 + 4100^2 .

It is a cyclic number.

It is not a de Polignac number, because 45571769 - 2¹² = 45567673 is a prime.

It is a super-2 number, since 2×45571769² = 4153572259578722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (45571369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22785884 + 22785885.

It is an arithmetic number, because the mean of its divisors is an integer number (22785885).

Almost surely, 2^45571769 is an apocalyptic number.

It is an amenable number.

45571769 is a deficient number, since it is larger than the sum of its proper divisors (1).

45571769 is an equidigital number, since it uses as much as digits as its factorization.

45571769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264600, while the sum is 44.

The square root of 45571769 is about 6750.6865576769. The cubic root of 45571769 is about 357.1894550018.

The spelling of 45571769 in words is "forty-five million, five hundred seventy-one thousand, seven hundred sixty-nine".