45143241321 has 16 divisors (see below), whose sum is σ = 62427127808. Its totient is φ = 28986627600.

The previous prime is 45143241317. The next prime is 45143241337. The reversal of 45143241321 is 12314234154.

45143241321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45143241321 - 2² = 45143241317 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45143241721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1130641 + ... + 1169886.

It is an arithmetic number, because the mean of its divisors is an integer number (3901695488).

Almost surely, 2^45143241321 is an apocalyptic number.

It is an amenable number.

45143241321 is a deficient number, since it is larger than the sum of its proper divisors (17283886487).

45143241321 is a wasteful number, since it uses less digits than its factorization.

45143241321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300772.

The product of its digits is 11520, while the sum is 30.

Adding to 45143241321 its reverse (12314234154), we get a palindrome (57457475475).

The spelling of 45143241321 in words is "forty-five billion, one hundred forty-three million, two hundred forty-one thousand, three hundred twenty-one".