14555020243 has 4 divisors (see below), whose sum is σ = 15321073960. Its totient is φ = 13788966528.

The previous prime is 14555020231. The next prime is 14555020253. The reversal of 14555020243 is 34202055541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14555020243 is a prime.

It is a super-2 number, since 2×14555020243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14555020253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383026830 + ... + 383026867.

It is an arithmetic number, because the mean of its divisors is an integer number (3830268490).

Almost surely, 2^14555020243 is an apocalyptic number.

14555020243 is a deficient number, since it is larger than the sum of its proper divisors (766053717).

14555020243 is an equidigital number, since it uses as much as digits as its factorization.

14555020243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766053716.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 14555020243 its reverse (34202055541), we get a palindrome (48757075784).

The spelling of 14555020243 in words is "fourteen billion, five hundred fifty-five million, twenty thousand, two hundred forty-three".