44945987 has 2 divisors, whose sum is σ = 44945988. Its totient is φ = 44945986.

The previous prime is 44945983. The next prime is 44945993. The reversal of 44945987 is 78954944.

44945987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44945987 - 2² = 44945983 is a prime.

It is not a weakly prime, because it can be changed into another prime (44945981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22472993 + 22472994.

It is an arithmetic number, because the mean of its divisors is an integer number (22472994).

Almost surely, 2^44945987 is an apocalyptic number.

44945987 is a deficient number, since it is larger than the sum of its proper divisors (1).

44945987 is an equidigital number, since it uses as much as digits as its factorization.

44945987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 50.

The square root of 44945987 is about 6704.1768323934. The cubic root of 44945987 is about 355.5469634896.

The spelling of 44945987 in words is "forty-four million, nine hundred forty-five thousand, nine hundred eighty-seven".