14531421145 has 4 divisors (see below), whose sum is σ = 17437705380. Its totient is φ = 11625136912.

The previous prime is 14531421139. The next prime is 14531421199. The reversal of 14531421145 is 54112413541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54112413541 = 1187 ⋅45587543.

It can be written as a sum of positive squares in 2 ways, for example, as 10019209216 + 4512211929 = 100096^2 + 67173^2 .

It is a cyclic number.

It is not a de Polignac number, because 14531421145 - 2¹⁹ = 14530896857 is a prime.

It is a super-2 number, since 2×14531421145² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1453142110 + ... + 1453142119.

It is an arithmetic number, because the mean of its divisors is an integer number (4359426345).

Almost surely, 2^14531421145 is an apocalyptic number.

It is an amenable number.

14531421145 is a deficient number, since it is larger than the sum of its proper divisors (2906284235).

14531421145 is an equidigital number, since it uses as much as digits as its factorization.

14531421145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906284234.

The product of its digits is 9600, while the sum is 31.

Adding to 14531421145 its reverse (54112413541), we get a palindrome (68643834686).

The spelling of 14531421145 in words is "fourteen billion, five hundred thirty-one million, four hundred twenty-one thousand, one hundred forty-five".