45412769 has 2 divisors, whose sum is σ = 45412770. Its totient is φ = 45412768.

The previous prime is 45412747. The next prime is 45412777. The reversal of 45412769 is 96721454.

45412769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45387169 + 25600 = 6737^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 45412769 - 2⁸ = 45412513 is a prime.

It is a super-2 number, since 2×45412769² = 4124639176494722, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (45412739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22706384 + 22706385.

It is an arithmetic number, because the mean of its divisors is an integer number (22706385).

Almost surely, 2^45412769 is an apocalyptic number.

It is an amenable number.

45412769 is a deficient number, since it is larger than the sum of its proper divisors (1).

45412769 is an equidigital number, since it uses as much as digits as its factorization.

45412769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 45412769 is about 6738.8996876345. The cubic root of 45412769 is about 356.7735593471.

The spelling of 45412769 in words is "forty-five million, four hundred twelve thousand, seven hundred sixty-nine".