45445087 has 2 divisors, whose sum is σ = 45445088. Its totient is φ = 45445086.

The previous prime is 45445069. The next prime is 45445121. The reversal of 45445087 is 78054454.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45445087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45445067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22722543 + 22722544.

It is an arithmetic number, because the mean of its divisors is an integer number (22722544).

Almost surely, 2^45445087 is an apocalyptic number.

45445087 is a deficient number, since it is larger than the sum of its proper divisors (1).

45445087 is an equidigital number, since it uses as much as digits as its factorization.

45445087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 45445087 is about 6741.2971303748. The cubic root of 45445087 is about 356.8581719210.

The spelling of 45445087 in words is "forty-five million, four hundred forty-five thousand, eighty-seven".