38445 has 16 divisors (see below), whose sum is σ = 67392. Its totient is φ = 18560.

The previous prime is 38431. The next prime is 38447. The reversal of 38445 is 54483.

It is a happy number.

38445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38445 - 2⁷ = 38317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49 + ... + 281.

It is an arithmetic number, because the mean of its divisors is an integer number (4212).

2³⁸⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

38445 is a deficient number, since it is larger than the sum of its proper divisors (28947).

38445 is a wasteful number, since it uses less digits than its factorization.

38445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252.

The product of its digits is 1920, while the sum is 24.

The square root of 38445 is about 196.0739656354. The cubic root of 38445 is about 33.7504801029.

It can be divided in two parts, 3 and 8445, that added together give a palindrome (8448).

The spelling of 38445 in words is "thirty-eight thousand, four hundred forty-five".