14012545405 has 8 divisors (see below), whose sum is σ = 16815725784. Its totient is φ = 11209588800.

The previous prime is 14012545403. The next prime is 14012545427. The reversal of 14012545405 is 50454521041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3603240729 + 10409304676 = 60027^2 + 102026^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14012545405 - 2¹ = 14012545403 is a prime.

It is a super-2 number, since 2×14012545405² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14012545403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152295 + ... + 226315.

It is an arithmetic number, because the mean of its divisors is an integer number (2101965723).

Almost surely, 2^14012545405 is an apocalyptic number.

It is an amenable number.

14012545405 is a deficient number, since it is larger than the sum of its proper divisors (2803180379).

14012545405 is an equidigital number, since it uses as much as digits as its factorization.

14012545405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111887.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 14012545405 in words is "fourteen billion, twelve million, five hundred forty-five thousand, four hundred five".