48445 has 4 divisors (see below), whose sum is σ = 58140. Its totient is φ = 38752.
The previous prime is 48437. The next prime is 48449. The reversal of 48445 is 54484.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 22201 + 26244 = 149^2 + 162^2 .
It is a cyclic number.
It is not a de Polignac number, because 48445 - 23 = 48437 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4840 + ... + 4849.
It is an arithmetic number, because the mean of its divisors is an integer number (14535).
248445 is an apocalyptic number.
It is an amenable number.
48445 is a deficient number, since it is larger than the sum of its proper divisors (9695).
48445 is an equidigital number, since it uses as much as digits as its factorization.
48445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9694.
The product of its digits is 2560, while the sum is 25.
The square root of 48445 is about 220.1022489662. The cubic root of 48445 is about 36.4543747176.
It can be divided in two parts, 484 and 45, that added together give a square (529 = 232).
The spelling of 48445 in words is "forty-eight thousand, four hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.110 sec. • engine limits •