444132145 has 4 divisors (see below), whose sum is σ = 532958580. Its totient is φ = 355305712.

The previous prime is 444132113. The next prime is 444132151. The reversal of 444132145 is 541231444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 97278769 + 346853376 = 9863^2 + 18624^2 .

It is a cyclic number.

It is not a de Polignac number, because 444132145 - 2⁵ = 444132113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44413210 + ... + 44413219.

It is an arithmetic number, because the mean of its divisors is an integer number (133239645).

Almost surely, 2^444132145 is an apocalyptic number.

It is an amenable number.

444132145 is a deficient number, since it is larger than the sum of its proper divisors (88826435).

444132145 is an equidigital number, since it uses as much as digits as its factorization.

444132145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88826434.

The product of its digits is 7680, while the sum is 28.

The square root of 444132145 is about 21074.4429345119. The cubic root of 444132145 is about 762.9640396746.

Adding to 444132145 its reverse (541231444), we get a palindrome (985363589).

The spelling of 444132145 in words is "four hundred forty-four million, one hundred thirty-two thousand, one hundred forty-five".