45345733143221 has 8 divisors (see below), whose sum is σ = 52153782251520. Its totient is φ = 38620205842608.

The previous prime is 45345733143181. The next prime is 45345733143247. The reversal of 45345733143221 is 12234133754354.

It is a happy number.

45345733143221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45345733143221 - 2¹⁰ = 45345733142197 is a prime.

It is a super-2 number, since 2×45345733143221² (a number of 28 digits) 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 (45345733143521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20630450741 + ... + 20630452938.

It is an arithmetic number, because the mean of its divisors is an integer number (6519222781440).

Almost surely, 2^{45345733143221} is an apocalyptic number.

It is an amenable number.

45345733143221 is a deficient number, since it is larger than the sum of its proper divisors (6808049108299).

45345733143221 is a wasteful number, since it uses less digits than its factorization.

45345733143221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41260903843.

The product of its digits is 3628800, while the sum is 47.

Adding to 45345733143221 its reverse (12234133754354), we get a palindrome (57579866897575).

The spelling of 45345733143221 in words is "forty-five trillion, three hundred forty-five billion, seven hundred thirty-three million, one hundred forty-three thousand, two hundred twenty-one".