38787145 has 8 divisors (see below), whose sum is σ = 47105856. Its totient is φ = 30655536.

The previous prime is 38787121. The next prime is 38787187. The reversal of 38787145 is 54178783.

38787145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 38787145 - 2⁹ = 38786633 is a prime.

It is a Duffinian 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, 46317 + ... + 47146.

It is an arithmetic number, because the mean of its divisors is an integer number (5888232).

Almost surely, 2^38787145 is an apocalyptic number.

It is an amenable number.

38787145 is a deficient number, since it is larger than the sum of its proper divisors (8318711).

38787145 is an equidigital number, since it uses as much as digits as its factorization.

38787145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93551.

The product of its digits is 188160, while the sum is 43.

The square root of 38787145 is about 6227.9326425388. The cubic root of 38787145 is about 338.5030643649.

The spelling of 38787145 in words is "thirty-eight million, seven hundred eighty-seven thousand, one hundred forty-five".