44147387 has 2 divisors, whose sum is σ = 44147388. Its totient is φ = 44147386.

The previous prime is 44147329. The next prime is 44147413. The reversal of 44147387 is 78374144.

44147387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44147387 - 2¹² = 44143291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44147387.

It is not a weakly prime, because it can be changed into another prime (44147687) 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, 22073693 + 22073694.

It is an arithmetic number, because the mean of its divisors is an integer number (22073694).

Almost surely, 2^44147387 is an apocalyptic number.

44147387 is a deficient number, since it is larger than the sum of its proper divisors (1).

44147387 is an equidigital number, since it uses as much as digits as its factorization.

44147387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 38.

The square root of 44147387 is about 6644.3500058320. The cubic root of 44147387 is about 353.4285816749.

The spelling of 44147387 in words is "forty-four million, one hundred forty-seven thousand, three hundred eighty-seven".