44263213145 has 32 divisors (see below), whose sum is σ = 55574255520. Its totient is φ = 33819402240.

The previous prime is 44263213129. The next prime is 44263213177. The reversal of 44263213145 is 54131236244.

It can be written as a sum of positive squares in 16 ways, for example, as 31257179209 + 13006033936 = 176797^2 + 114044^2 .

It is not a de Polignac number, because 44263213145 - 2⁴ = 44263213129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1553891 + ... + 1582119.

It is an arithmetic number, because the mean of its divisors is an integer number (1736695485).

Almost surely, 2^44263213145 is an apocalyptic number.

It is an amenable number.

44263213145 is a deficient number, since it is larger than the sum of its proper divisors (11311042375).

44263213145 is a wasteful number, since it uses less digits than its factorization.

44263213145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28445.

The product of its digits is 69120, while the sum is 35.

Adding to 44263213145 its reverse (54131236244), we get a palindrome (98394449389).

The spelling of 44263213145 in words is "forty-four billion, two hundred sixty-three million, two hundred thirteen thousand, one hundred forty-five".