38154161 has 4 divisors (see below), whose sum is σ = 38260800. Its totient is φ = 38047524.

The previous prime is 38154157. The next prime is 38154197. The reversal of 38154161 is 16145183.

38154161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 38154161 - 2² = 38154157 is a prime.

It is a super-2 number, since 2×38154161² = 2911480003227842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38154101) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 52781 + ... + 53498.

It is an arithmetic number, because the mean of its divisors is an integer number (9565200).

Almost surely, 2^38154161 is an apocalyptic number.

It is an amenable number.

38154161 is a deficient number, since it is larger than the sum of its proper divisors (106639).

38154161 is a wasteful number, since it uses less digits than its factorization.

38154161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106638.

The product of its digits is 2880, while the sum is 29.

The square root of 38154161 is about 6176.9054549993. The cubic root of 38154161 is about 336.6515636571.

The spelling of 38154161 in words is "thirty-eight million, one hundred fifty-four thousand, one hundred sixty-one".