38000145 has 16 divisors (see below), whose sum is σ = 61048512. Its totient is φ = 20184000.

The previous prime is 38000143. The next prime is 38000161. The reversal of 38000145 is 54100083.

It is not a de Polignac number, because 38000145 - 2¹ = 38000143 is a prime.

It is a super-2 number, since 2×38000145² = 2888022040042050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38000143) 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 15 ways as a sum of consecutive naturals, for example, 1282 + ... + 8811.

It is an arithmetic number, because the mean of its divisors is an integer number (3815532).

Almost surely, 2^38000145 is an apocalyptic number.

It is an amenable number.

38000145 is a deficient number, since it is larger than the sum of its proper divisors (23048367).

38000145 is a wasteful number, since it uses less digits than its factorization.

38000145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10352.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 38000145 is about 6164.4257640108. The cubic root of 38000145 is about 336.1979682990.

The spelling of 38000145 in words is "thirty-eight million, one hundred forty-five", and thus it is an aban number.