38238145 has 8 divisors (see below), whose sum is σ = 50057280. Its totient is φ = 27809520.

The previous prime is 38238143. The next prime is 38238163. The reversal of 38238145 is 54183283.

It is a happy number.

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

It is not a de Polignac number, because 38238145 - 2¹ = 38238143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38238145.

It is not an unprimeable number, because it can be changed into a prime (38238143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347565 + ... + 347674.

It is an arithmetic number, because the mean of its divisors is an integer number (6257160).

Almost surely, 2^38238145 is an apocalyptic number.

It is an amenable number.

38238145 is a deficient number, since it is larger than the sum of its proper divisors (11819135).

38238145 is a wasteful number, since it uses less digits than its factorization.

38238145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695255.

The product of its digits is 23040, while the sum is 34.

The square root of 38238145 is about 6183.6999442082. The cubic root of 38238145 is about 336.8983923529.

It can be divided in two parts, 38238 and 145, that added together give a palindrome (38383).

The spelling of 38238145 in words is "thirty-eight million, two hundred thirty-eight thousand, one hundred forty-five".