444030141 has 4 divisors (see below), whose sum is σ = 592040192. Its totient is φ = 296020092.

The previous prime is 444030137. The next prime is 444030149. The reversal of 444030141 is 141030444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 444030141 - 2² = 444030137 is a prime.

It is a super-2 number, since 2×444030141² = 394325532232959762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444030149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74005021 + ... + 74005026.

It is an arithmetic number, because the mean of its divisors is an integer number (148010048).

Almost surely, 2^444030141 is an apocalyptic number.

It is an amenable number.

444030141 is a deficient number, since it is larger than the sum of its proper divisors (148010051).

444030141 is a wasteful number, since it uses less digits than its factorization.

444030141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148010050.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 444030141 is about 21072.0227078465. The cubic root of 444030141 is about 762.9056251212.

Adding to 444030141 its reverse (141030444), we get a palindrome (585060585).

The spelling of 444030141 in words is "four hundred forty-four million, thirty thousand, one hundred forty-one".