45440143023 has 16 divisors (see below), whose sum is σ = 66264681600. Its totient is φ = 27468677280.

The previous prime is 45440143003. The next prime is 45440143031. The reversal of 45440143023 is 32034104454.

It is not a de Polignac number, because 45440143023 - 2¹⁷ = 45440011951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45440143003) 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, 1757053 + ... + 1782726.

It is an arithmetic number, because the mean of its divisors is an integer number (4141542600).

Almost surely, 2^45440143023 is an apocalyptic number.

45440143023 is a deficient number, since it is larger than the sum of its proper divisors (20824538577).

45440143023 is a wasteful number, since it uses less digits than its factorization.

45440143023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540182.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 45440143023 its reverse (32034104454), we get a palindrome (77474247477).

The spelling of 45440143023 in words is "forty-five billion, four hundred forty million, one hundred forty-three thousand, twenty-three".