45444569 has 2 divisors, whose sum is σ = 45444570. Its totient is φ = 45444568.

The previous prime is 45444533. The next prime is 45444571. The reversal of 45444569 is 96544454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43072969 + 2371600 = 6563^2 + 1540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45444569 is a prime.

It is a super-2 number, since 2×45444569² = 4130417703191522, which contains 22 as substring.

Together with 45444571, 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 (45444589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22722284 + 22722285.

It is an arithmetic number, because the mean of its divisors is an integer number (22722285).

Almost surely, 2^45444569 is an apocalyptic number.

It is an amenable number.

45444569 is a deficient number, since it is larger than the sum of its proper divisors (1).

45444569 is an equidigital number, since it uses as much as digits as its factorization.

45444569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 41.

The square root of 45444569 is about 6741.2587103597. The cubic root of 45444569 is about 356.8568160484.

The spelling of 45444569 in words is "forty-five million, four hundred forty-four thousand, five hundred sixty-nine".