39145161 has 8 divisors (see below), whose sum is σ = 56938464. Its totient is φ = 23724320.

The previous prime is 39145159. The next prime is 39145163. The reversal of 39145161 is 16154193.

39145161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (39145159) and next prime (39145163).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39145161 - 2¹ = 39145159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39145163) 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 7 ways as a sum of consecutive naturals, for example, 593076 + ... + 593141.

It is an arithmetic number, because the mean of its divisors is an integer number (7117308).

Almost surely, 2^39145161 is an apocalyptic number.

It is an amenable number.

39145161 is a deficient number, since it is larger than the sum of its proper divisors (17793303).

39145161 is a wasteful number, since it uses less digits than its factorization.

39145161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186231.

The product of its digits is 3240, while the sum is 30.

The square root of 39145161 is about 6256.6093852821. The cubic root of 39145161 is about 339.5413683582.

The spelling of 39145161 in words is "thirty-nine million, one hundred forty-five thousand, one hundred sixty-one".