38144485 has 4 divisors (see below), whose sum is σ = 45773388. Its totient is φ = 30515584.

The previous prime is 38144467. The next prime is 38144489. The reversal of 38144485 is 58444183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58444183 = 7 ⋅8349169.

It can be written as a sum of positive squares in 2 ways, for example, as 29658916 + 8485569 = 5446^2 + 2913^2 .

It is a cyclic number.

It is not a de Polignac number, because 38144485 - 2⁵ = 38144453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38144489) 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, 3814444 + ... + 3814453.

It is an arithmetic number, because the mean of its divisors is an integer number (11443347).

Almost surely, 2^38144485 is an apocalyptic number.

It is an amenable number.

38144485 is a deficient number, since it is larger than the sum of its proper divisors (7628903).

38144485 is an equidigital number, since it uses as much as digits as its factorization.

38144485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7628902.

The product of its digits is 61440, while the sum is 37.

The square root of 38144485 is about 6176.1221652425. The cubic root of 38144485 is about 336.6231026641.

The spelling of 38144485 in words is "thirty-eight million, one hundred forty-four thousand, four hundred eighty-five".