45109087 has 2 divisors, whose sum is σ = 45109088. Its totient is φ = 45109086.

The previous prime is 45109081. The next prime is 45109091. The reversal of 45109087 is 78090154.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45109087 - 2¹¹ = 45107039 is a prime.

It is equal to p_2724397 and since 45109087 and 2724397 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45109081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22554543 + 22554544.

It is an arithmetic number, because the mean of its divisors is an integer number (22554544).

Almost surely, 2^45109087 is an apocalyptic number.

45109087 is a deficient number, since it is larger than the sum of its proper divisors (1).

45109087 is an equidigital number, since it uses as much as digits as its factorization.

45109087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 45109087 is about 6716.3298757580. The cubic root of 45109087 is about 355.9765139369.

The spelling of 45109087 in words is "forty-five million, one hundred nine thousand, eighty-seven".