444900243 has 4 divisors (see below), whose sum is σ = 593200328. Its totient is φ = 296600160.

The previous prime is 444900241. The next prime is 444900263. The reversal of 444900243 is 342009444.

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

It is not a de Polignac number, because 444900243 - 2¹ = 444900241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444900243.

It is not an unprimeable number, because it can be changed into a prime (444900241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74150038 + ... + 74150043.

It is an arithmetic number, because the mean of its divisors is an integer number (148300082).

Almost surely, 2^444900243 is an apocalyptic number.

444900243 is a deficient number, since it is larger than the sum of its proper divisors (148300085).

444900243 is a wasteful number, since it uses less digits than its factorization.

444900243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148300084.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 444900243 is about 21092.6585095383. The cubic root of 444900243 is about 763.4036187874.

Adding to 444900243 its reverse (342009444), we get a palindrome (786909687).

The spelling of 444900243 in words is "four hundred forty-four million, nine hundred thousand, two hundred forty-three".