44312151321145 has 4 divisors (see below), whose sum is σ = 53174581585380. Its totient is φ = 35449721056912.

The previous prime is 44312151321133. The next prime is 44312151321167. The reversal of 44312151321145 is 54112315121344.

It is a happy number.

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 9884207815056 + 34427943506089 = 3143916^2 + 5867533^2 .

It is a cyclic number.

It is not a de Polignac number, because 44312151321145 - 2³¹ = 44310003837497 is a prime.

It is a super-2 number, since 2×44312151321145² (a number of 28 digits) contains 22 as substring.

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, 4431215132110 + ... + 4431215132119.

It is an arithmetic number, because the mean of its divisors is an integer number (13293645396345).

Almost surely, 2^{44312151321145} is an apocalyptic number.

It is an amenable number.

44312151321145 is a deficient number, since it is larger than the sum of its proper divisors (8862430264235).

44312151321145 is an equidigital number, since it uses as much as digits as its factorization.

44312151321145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8862430264234.

The product of its digits is 57600, while the sum is 37.

Adding to 44312151321145 its reverse (54112315121344), we get a palindrome (98424466442489).

The spelling of 44312151321145 in words is "forty-four trillion, three hundred twelve billion, one hundred fifty-one million, three hundred twenty-one thousand, one hundred forty-five".