39145163 has 2 divisors, whose sum is σ = 39145164. Its totient is φ = 39145162.

The previous prime is 39145159. The next prime is 39145177. The reversal of 39145163 is 36154193.

It is a weak prime.

It is an emirp because it is prime and its reverse (36154193) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39145163 - 2² = 39145159 is a prime.

It is not a weakly prime, because it can be changed into another prime (39145153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19572581 + 19572582.

It is an arithmetic number, because the mean of its divisors is an integer number (19572582).

Almost surely, 2^39145163 is an apocalyptic number.

39145163 is a deficient number, since it is larger than the sum of its proper divisors (1).

39145163 is an equidigital number, since it uses as much as digits as its factorization.

39145163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 32.

The square root of 39145163 is about 6256.6095451131. The cubic root of 39145163 is about 339.5413741408.

It can be divided in two parts, 391 and 45163, that added together give a palindrome (45554).

The spelling of 39145163 in words is "thirty-nine million, one hundred forty-five thousand, one hundred sixty-three".