13875445 has 8 divisors (see below), whose sum is σ = 17187840. Its totient is φ = 10742160.

The previous prime is 13875437. The next prime is 13875457. The reversal of 13875445 is 54457831.

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

It is not a de Polignac number, because 13875445 - 2³ = 13875437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44605 + ... + 44914.

It is an arithmetic number, because the mean of its divisors is an integer number (2148480).

Almost surely, 2^13875445 is an apocalyptic number.

It is an amenable number.

13875445 is a deficient number, since it is larger than the sum of its proper divisors (3312395).

13875445 is an equidigital number, since it uses as much as digits as its factorization.

13875445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89555.

The product of its digits is 67200, while the sum is 37.

The square root of 13875445 is about 3724.9758388478. The cubic root of 13875445 is about 240.2973455749.

The spelling of 13875445 in words is "thirteen million, eight hundred seventy-five thousand, four hundred forty-five".