45711109 has 2 divisors, whose sum is σ = 45711110. Its totient is φ = 45711108.

The previous prime is 45711101. The next prime is 45711157. The reversal of 45711109 is 90111754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24780484 + 20930625 = 4978^2 + 4575^2 .

It is a cyclic number.

It is not a de Polignac number, because 45711109 - 2³ = 45711101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45711101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22855554 + 22855555.

It is an arithmetic number, because the mean of its divisors is an integer number (22855555).

Almost surely, 2^45711109 is an apocalyptic number.

It is an amenable number.

45711109 is a deficient number, since it is larger than the sum of its proper divisors (1).

45711109 is an equidigital number, since it uses as much as digits as its factorization.

45711109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 45711109 is about 6760.9991125573. Note that the first 3 decimals coincide. The cubic root of 45711109 is about 357.5531314581.

The spelling of 45711109 in words is "forty-five million, seven hundred eleven thousand, one hundred nine".