45345569 has 2 divisors, whose sum is σ = 45345570. Its totient is φ = 45345568.

The previous prime is 45345563. The next prime is 45345583. The reversal of 45345569 is 96554354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44729344 + 616225 = 6688^2 + 785^2 .

It is a cyclic number.

It is not a de Polignac number, because 45345569 - 2¹² = 45341473 is a prime.

It is a super-2 number, since 2×45345569² = 4112441255867522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45345563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22672784 + 22672785.

It is an arithmetic number, because the mean of its divisors is an integer number (22672785).

Almost surely, 2^45345569 is an apocalyptic number.

It is an amenable number.

45345569 is a deficient number, since it is larger than the sum of its proper divisors (1).

45345569 is an equidigital number, since it uses as much as digits as its factorization.

45345569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324000, while the sum is 41.

The square root of 45345569 is about 6733.9118645851. The cubic root of 45345569 is about 356.5974927232.

The spelling of 45345569 in words is "forty-five million, three hundred forty-five thousand, five hundred sixty-nine".