38557145 has 16 divisors (see below), whose sum is σ = 51841728. Its totient is φ = 27282240.

The previous prime is 38557121. The next prime is 38557151. The reversal of 38557145 is 54175583.

38557145 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 38557145 - 2⁶ = 38557081 is a prime.

It is a super-3 number, since 3×38557145³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38557099 and 38557108.

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 15 ways as a sum of consecutive naturals, for example, 7439 + ... + 11508.

It is an arithmetic number, because the mean of its divisors is an integer number (3240108).

Almost surely, 2^38557145 is an apocalyptic number.

It is an amenable number.

38557145 is a deficient number, since it is larger than the sum of its proper divisors (13284583).

38557145 is a wasteful number, since it uses less digits than its factorization.

38557145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19000.

The product of its digits is 84000, while the sum is 38.

The square root of 38557145 is about 6209.4399908526. The cubic root of 38557145 is about 337.8326523563.

The spelling of 38557145 in words is "thirty-eight million, five hundred fifty-seven thousand, one hundred forty-five".