13945855 has 48 divisors (see below), whose sum is σ = 21833280. Its totient is φ = 8363520.

The previous prime is 13945853. The next prime is 13945901. The reversal of 13945855 is 55854931.

13945855 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13945855 - 2¹ = 13945853 is a prime.

Its product of digits (108000) is a multiple of the sum of its prime factors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13945853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156651 + ... + 156739.

It is an arithmetic number, because the mean of its divisors is an integer number (454860).

Almost surely, 2^13945855 is an apocalyptic number.

13945855 is a deficient number, since it is larger than the sum of its proper divisors (7887425).

13945855 is a wasteful number, since it uses less digits than its factorization.

13945855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 149 counting only the distinct ones).

The product of its digits is 108000, while the sum is 40.

The square root of 13945855 is about 3734.4149474851. The cubic root of 13945855 is about 240.7031174940.

The spelling of 13945855 in words is "thirteen million, nine hundred forty-five thousand, eight hundred fifty-five".