38115645 has 8 divisors (see below), whose sum is σ = 60985056. Its totient is φ = 20328336.

The previous prime is 38115631. The next prime is 38115659. The reversal of 38115645 is 54651183.

38115645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38115631) and next prime (38115659).

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

It is not a de Polignac number, because 38115645 - 2⁵ = 38115613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270507 + ... + 1270536.

It is an arithmetic number, because the mean of its divisors is an integer number (7623132).

Almost surely, 2^38115645 is an apocalyptic number.

It is an amenable number.

38115645 is a deficient number, since it is larger than the sum of its proper divisors (22869411).

38115645 is a wasteful number, since it uses less digits than its factorization.

38115645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541051.

The product of its digits is 14400, while the sum is 33.

The square root of 38115645 is about 6173.7869253806. The cubic root of 38115645 is about 336.5382441058.

The spelling of 38115645 in words is "thirty-eight million, one hundred fifteen thousand, six hundred forty-five".