444444149 has 2 divisors, whose sum is σ = 444444150. Its totient is φ = 444444148.

The previous prime is 444444103. The next prime is 444444197. The reversal of 444444149 is 941444444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 352763524 + 91680625 = 18782^2 + 9575^2 .

It is a cyclic number.

It is not a de Polignac number, because 444444149 - 2⁸ = 444443893 is a prime.

It is a Chen prime.

It is equal to p_23574089 and since 444444149 and 23574089 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444444199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222222074 + 222222075.

It is an arithmetic number, because the mean of its divisors is an integer number (222222075).

Almost surely, 2^444444149 is an apocalyptic number.

It is an amenable number.

444444149 is a deficient number, since it is larger than the sum of its proper divisors (1).

444444149 is an equidigital number, since it uses as much as digits as its factorization.

444444149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 38.

The square root of 444444149 is about 21081.8440607078. The cubic root of 444444149 is about 763.1426592691.

The spelling of 444444149 in words is "four hundred forty-four million, four hundred forty-four thousand, one hundred forty-nine".