14545423971 has 12 divisors (see below), whose sum is σ = 22626215248. Its totient is φ = 8951030064.

The previous prime is 14545423943. The next prime is 14545423987. The reversal of 14545423971 is 17932454541.

14545423971 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 542 + 39 + 71 = 666.

It is not a de Polignac number, because 14545423971 - 2²³ = 14537035363 is a prime.

It is a super-2 number, since 2×14545423971² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14545423901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62159815 + ... + 62160048.

Almost surely, 2^14545423971 is an apocalyptic number.

14545423971 is a deficient number, since it is larger than the sum of its proper divisors (8080791277).

14545423971 is a wasteful number, since it uses less digits than its factorization.

14545423971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124319882 (or 124319879 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

It can be divided in two parts, 14545 and 423971, that added together give a triangular number (438516 = T₉₃₆).

The spelling of 14545423971 in words is "fourteen billion, five hundred forty-five million, four hundred twenty-three thousand, nine hundred seventy-one".