444141145 has 12 divisors (see below), whose sum is σ = 619985124. Its totient is φ = 304553760.

The previous prime is 444141143. The next prime is 444141161. The reversal of 444141145 is 541141444.

It can be written as a sum of positive squares in 2 ways, for example, as 261242569 + 182898576 = 16163^2 + 13524^2 .

It is not a de Polignac number, because 444141145 - 2¹ = 444141143 is a prime.

It is a super-2 number, since 2×444141145² = 394522713363822050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444141143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 906166 + ... + 906655.

It is an arithmetic number, because the mean of its divisors is an integer number (51665427).

Almost surely, 2^444141145 is an apocalyptic number.

It is an amenable number.

444141145 is a deficient number, since it is larger than the sum of its proper divisors (175843979).

444141145 is a wasteful number, since it uses less digits than its factorization.

444141145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812840 (or 1812833 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 444141145 is about 21074.6564622060. The cubic root of 444141145 is about 762.9691932684.

Adding to 444141145 its reverse (541141444), we get a palindrome (985282589).

The spelling of 444141145 in words is "four hundred forty-four million, one hundred forty-one thousand, one hundred forty-five".