45001109 has 2 divisors, whose sum is σ = 45001110. Its totient is φ = 45001108.

The previous prime is 45001093. The next prime is 45001123. The reversal of 45001109 is 90110054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44823025 + 178084 = 6695^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 45001109 - 2⁴ = 45001093 is a prime.

It is a super-2 number, since 2×45001109² = 4050199622459762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45001169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22500554 + 22500555.

It is an arithmetic number, because the mean of its divisors is an integer number (22500555).

Almost surely, 2^45001109 is an apocalyptic number.

It is an amenable number.

45001109 is a deficient number, since it is larger than the sum of its proper divisors (1).

45001109 is an equidigital number, since it uses as much as digits as its factorization.

45001109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 45001109 is about 6708.2865919697. The cubic root of 45001109 is about 355.6922523470.

The spelling of 45001109 in words is "forty-five million, one thousand, one hundred nine".