14440612545 has 48 divisors (see below), whose sum is σ = 25220400192. Its totient is φ = 7643341440.

The previous prime is 14440612523. The next prime is 14440612559. The reversal of 14440612545 is 54521604441.

14440612545 is a `hidden beast` number, since 14 + 4 + 40 + 61 + 2 + 545 = 666.

It is not a de Polignac number, because 14440612545 - 2¹⁸ = 14440350401 is a prime.

It is a super-2 number, since 2×14440612545² (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 47 ways as a sum of consecutive naturals, for example, 8661802 + ... + 8663468.

It is an arithmetic number, because the mean of its divisors is an integer number (525425004).

Almost surely, 2^14440612545 is an apocalyptic number.

14440612545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14440612545 is a deficient number, since it is larger than the sum of its proper divisors (10779787647).

14440612545 is a wasteful number, since it uses less digits than its factorization.

14440612545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022 (or 3019 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 14440612545 in words is "fourteen billion, four hundred forty million, six hundred twelve thousand, five hundred forty-five".