38159149 has 4 divisors (see below), whose sum is σ = 43610464. Its totient is φ = 32707836.

The previous prime is 38159141. The next prime is 38159161. The reversal of 38159149 is 94195183.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94195183 = 389 ⋅242147.

It is not a de Polignac number, because 38159149 - 2³ = 38159141 is a prime.

It is a super-2 number, since 2×38159149² = 2912241304808402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38159141) 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 3 ways as a sum of consecutive naturals, for example, 2725647 + ... + 2725660.

It is an arithmetic number, because the mean of its divisors is an integer number (10902616).

Almost surely, 2^38159149 is an apocalyptic number.

It is an amenable number.

38159149 is a deficient number, since it is larger than the sum of its proper divisors (5451315).

38159149 is an equidigital number, since it uses as much as digits as its factorization.

38159149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5451314.

The product of its digits is 38880, while the sum is 40.

The square root of 38159149 is about 6177.3092038524. The cubic root of 38159149 is about 336.6662334842. Note that the first 3 decimals are identical.

The spelling of 38159149 in words is "thirty-eight million, one hundred fifty-nine thousand, one hundred forty-nine".