44144147 has 2 divisors, whose sum is σ = 44144148. Its totient is φ = 44144146.

The previous prime is 44144143. The next prime is 44144159. The reversal of 44144147 is 74144144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44144147 - 2² = 44144143 is a prime.

It is not a weakly prime, because it can be changed into another prime (44144141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22072073 + 22072074.

It is an arithmetic number, because the mean of its divisors is an integer number (22072074).

Almost surely, 2^44144147 is an apocalyptic number.

44144147 is a deficient number, since it is larger than the sum of its proper divisors (1).

44144147 is an equidigital number, since it uses as much as digits as its factorization.

44144147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7168, while the sum is 29.

The square root of 44144147 is about 6644.1061851840. The cubic root of 44144147 is about 353.4199353601.

The spelling of 44144147 in words is "forty-four million, one hundred forty-four thousand, one hundred forty-seven".