4321440500145 has 16 divisors (see below), whose sum is σ = 6914420053632. Its totient is φ = 2304729848960.

The previous prime is 4321440500129. The next prime is 4321440500149. The reversal of 4321440500145 is 5410050441234.

It is a happy number.

It is not a de Polignac number, because 4321440500145 - 2⁴ = 4321440500129 is a prime.

It is a super-3 number, since 3×4321440500145³ (a number of 39 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4321440500149) 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 15 ways as a sum of consecutive naturals, for example, 1459317 + ... + 3282146.

It is an arithmetic number, because the mean of its divisors is an integer number (432151253352).

Almost surely, 2^{4321440500145} is an apocalyptic number.

It is an amenable number.

4321440500145 is a deficient number, since it is larger than the sum of its proper divisors (2592979553487).

4321440500145 is a wasteful number, since it uses less digits than its factorization.

4321440500145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4802232.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 4321440500145 its reverse (5410050441234), we get a palindrome (9731490941379).

The spelling of 4321440500145 in words is "four trillion, three hundred twenty-one billion, four hundred forty million, five hundred thousand, one hundred forty-five".