38149153 has 4 divisors (see below), whose sum is σ = 43599040. Its totient is φ = 32699268.

The previous prime is 38149151. The next prime is 38149171. The reversal of 38149153 is 35194183.

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: 35194183 = 181 ⋅194443.

It is not a de Polignac number, because 38149153 - 2¹ = 38149151 is a prime.

It is the 6177-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38149151) by changing a digit.

It is a nontrivial repunit in base 6176.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2724933 + ... + 2724946.

It is an arithmetic number, because the mean of its divisors is an integer number (10899760).

Almost surely, 2^38149153 is an apocalyptic number.

It is an amenable number.

38149153 is a deficient number, since it is larger than the sum of its proper divisors (5449887).

38149153 is an equidigital number, since it uses as much as digits as its factorization.

38149153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449886.

The product of its digits is 12960, while the sum is 34.

The square root of 38149153 is about 6176.5000607140. The cubic root of 38149153 is about 336.6368337233.

The spelling of 38149153 in words is "thirty-eight million, one hundred forty-nine thousand, one hundred fifty-three".