45717869 has 2 divisors, whose sum is σ = 45717870. Its totient is φ = 45717868.

The previous prime is 45717827. The next prime is 45717883. The reversal of 45717869 is 96871754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36747844 + 8970025 = 6062^2 + 2995^2 .

It is a cyclic number.

It is not a de Polignac number, because 45717869 - 2⁸ = 45717613 is a prime.

It is a super-2 number, since 2×45717869² = 4180247091802322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45717809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22858934 + 22858935.

It is an arithmetic number, because the mean of its divisors is an integer number (22858935).

Almost surely, 2^45717869 is an apocalyptic number.

It is an amenable number.

45717869 is a deficient number, since it is larger than the sum of its proper divisors (1).

45717869 is an equidigital number, since it uses as much as digits as its factorization.

45717869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 47.

The square root of 45717869 is about 6761.4990201878. The cubic root of 45717869 is about 357.5707562039.

The spelling of 45717869 in words is "forty-five million, seven hundred seventeen thousand, eight hundred sixty-nine".