44494147 has 2 divisors, whose sum is σ = 44494148. Its totient is φ = 44494146.

The previous prime is 44494139. The next prime is 44494169. The reversal of 44494147 is 74149444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44494147 - 2³ = 44494139 is a prime.

It is not a weakly prime, because it can be changed into another prime (44494187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22247073 + 22247074.

It is an arithmetic number, because the mean of its divisors is an integer number (22247074).

Almost surely, 2^44494147 is an apocalyptic number.

44494147 is a deficient number, since it is larger than the sum of its proper divisors (1).

44494147 is an equidigital number, since it uses as much as digits as its factorization.

44494147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 37.

The square root of 44494147 is about 6670.3933167393. The cubic root of 44494147 is about 354.3515159866.

The spelling of 44494147 in words is "forty-four million, four hundred ninety-four thousand, one hundred forty-seven".