38000146 has 4 divisors (see below), whose sum is σ = 57000222. Its totient is φ = 19000072.

The previous prime is 38000143. The next prime is 38000161. The reversal of 38000146 is 64100083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37761025 + 239121 = 6145^2 + 489^2 .

It is a super-2 number, since 2×38000146² = 2888022192042632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 as a sum of consecutive naturals, namely, 9500035 + ... + 9500038.

Almost surely, 2^38000146 is an apocalyptic number.

38000146 is a deficient number, since it is larger than the sum of its proper divisors (19000076).

38000146 is a wasteful number, since it uses less digits than its factorization.

38000146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19000075.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 38000146 is about 6164.4258451213. The cubic root of 38000146 is about 336.1979712481.

The spelling of 38000146 in words is "thirty-eight million, one hundred forty-six", and thus it is an aban number.