14220254451545 has 16 divisors (see below), whose sum is σ = 17581624782480. Its totient is φ = 11036147426304.

The previous prime is 14220254451539. The next prime is 14220254451547. The reversal of 14220254451545 is 54515445202241.

It can be written as a sum of positive squares in 8 ways, for example, as 583984827721 + 13636269623824 = 764189^2 + 3692732^2 .

It is a cyclic number.

It is not a de Polignac number, because 14220254451545 - 2¹⁴ = 14220254435161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14220254451496 and 14220254451505.

It is not an unprimeable number, because it can be changed into a prime (14220254451547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301444604 + ... + 301491773.

It is an arithmetic number, because the mean of its divisors is an integer number (1098851548905).

Almost surely, 2^{14220254451545} is an apocalyptic number.

It is an amenable number.

14220254451545 is a deficient number, since it is larger than the sum of its proper divisors (3361370330935).

14220254451545 is an equidigital number, since it uses as much as digits as its factorization.

14220254451545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602936524.

The product of its (nonzero) digits is 1280000, while the sum is 44.

Adding to 14220254451545 its reverse (54515445202241), we get a palindrome (68735699653786).

The spelling of 14220254451545 in words is "fourteen trillion, two hundred twenty billion, two hundred fifty-four million, four hundred fifty-one thousand, five hundred forty-five".