45344512121321 has 8 divisors (see below), whose sum is σ = 51970787534400. Its totient is φ = 38755358700048.

The previous prime is 45344512121309. The next prime is 45344512121323. The reversal of 45344512121321 is 12312121544354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45344512121321 - 2⁴² = 40946465610217 is a prime.

It is a super-2 number, since 2×45344512121321² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45344512121323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9280495331 + ... + 9280500216.

It is an arithmetic number, because the mean of its divisors is an integer number (6496348441800).

Almost surely, 2^{45344512121321} is an apocalyptic number.

It is an amenable number.

45344512121321 is a deficient number, since it is larger than the sum of its proper divisors (6626275413079).

45344512121321 is a wasteful number, since it uses less digits than its factorization.

45344512121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18560995903.

The product of its digits is 115200, while the sum is 38.

Adding to 45344512121321 its reverse (12312121544354), we get a palindrome (57656633665675).

The spelling of 45344512121321 in words is "forty-five trillion, three hundred forty-four billion, five hundred twelve million, one hundred twenty-one thousand, three hundred twenty-one".