45144121143 has 16 divisors (see below), whose sum is σ = 65726704512. Its totient is φ = 27334020000.

The previous prime is 45144121133. The next prime is 45144121181. The reversal of 45144121143 is 34112144154.

It is not a de Polignac number, because 45144121143 - 2⁵ = 45144121111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45144121143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45144121123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 616128 + ... + 685493.

It is an arithmetic number, because the mean of its divisors is an integer number (4107919032).

Almost surely, 2^45144121143 is an apocalyptic number.

45144121143 is a deficient number, since it is larger than the sum of its proper divisors (20582583369).

45144121143 is a wasteful number, since it uses less digits than its factorization.

45144121143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302686.

The product of its digits is 7680, while the sum is 30.

Adding to 45144121143 its reverse (34112144154), we get a palindrome (79256265297).

The spelling of 45144121143 in words is "forty-five billion, one hundred forty-four million, one hundred twenty-one thousand, one hundred forty-three".