45126689 has 2 divisors, whose sum is σ = 45126690. Its totient is φ = 45126688.

The previous prime is 45126673. The next prime is 45126703. The reversal of 45126689 is 98662154.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29246464 + 15880225 = 5408^2 + 3985^2 .

It is a cyclic number.

It is not a de Polignac number, because 45126689 - 2⁴ = 45126673 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (45126089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22563344 + 22563345.

It is an arithmetic number, because the mean of its divisors is an integer number (22563345).

Almost surely, 2^45126689 is an apocalyptic number.

It is an amenable number.

45126689 is a deficient number, since it is larger than the sum of its proper divisors (1).

45126689 is an equidigital number, since it uses as much as digits as its factorization.

45126689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 45126689 is about 6717.6401362383. The cubic root of 45126689 is about 356.0228097366.

The spelling of 45126689 in words is "forty-five million, one hundred twenty-six thousand, six hundred eighty-nine".