45142717 has 2 divisors, whose sum is σ = 45142718. Its totient is φ = 45142716.

The previous prime is 45142711. The next prime is 45142751. The reversal of 45142717 is 71724154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38204761 + 6937956 = 6181^2 + 2634^2 .

It is a cyclic number.

It is not a de Polignac number, because 45142717 - 2¹⁹ = 44618429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45142711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22571358 + 22571359.

It is an arithmetic number, because the mean of its divisors is an integer number (22571359).

Almost surely, 2^45142717 is an apocalyptic number.

It is an amenable number.

45142717 is a deficient number, since it is larger than the sum of its proper divisors (1).

45142717 is an equidigital number, since it uses as much as digits as its factorization.

45142717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7840, while the sum is 31.

The square root of 45142717 is about 6718.8330087895. The cubic root of 45142717 is about 356.0649552183.

The spelling of 45142717 in words is "forty-five million, one hundred forty-two thousand, seven hundred seventeen".