14431132420545 has 64 divisors (see below), whose sum is σ = 25082433872640. Its totient is φ = 7058065932288.

The previous prime is 14431132420517. The next prime is 14431132420547. The reversal of 14431132420545 is 54502423113441.

It is not a de Polignac number, because 14431132420545 - 2¹¹ = 14431132418497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14431132420547) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2544154 + ... + 5944323.

It is an arithmetic number, because the mean of its divisors is an integer number (391913029260).

Almost surely, 2^{14431132420545} is an apocalyptic number.

14431132420545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14431132420545 is a deficient number, since it is larger than the sum of its proper divisors (10651301452095).

14431132420545 is a wasteful number, since it uses less digits than its factorization.

14431132420545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8488674.

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 14431132420545 its reverse (54502423113441), we get a palindrome (68933555533986).

The spelling of 14431132420545 in words is "fourteen trillion, four hundred thirty-one billion, one hundred thirty-two million, four hundred twenty thousand, five hundred forty-five".