163145029 has 2 divisors, whose sum is σ = 163145030. Its totient is φ = 163145028.

The previous prime is 163145009. The next prime is 163145051. The reversal of 163145029 is 920541361.

163145029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156000100 + 7144929 = 12490^2 + 2673^2 .

It is a cyclic number.

It is not a de Polignac number, because 163145029 - 2⁷ = 163144901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163145009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81572514 + 81572515.

It is an arithmetic number, because the mean of its divisors is an integer number (81572515).

Almost surely, 2^163145029 is an apocalyptic number.

It is an amenable number.

163145029 is a deficient number, since it is larger than the sum of its proper divisors (1).

163145029 is an equidigital number, since it uses as much as digits as its factorization.

163145029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 163145029 is about 12772.8238459630. The cubic root of 163145029 is about 546.4175191172.

The spelling of 163145029 in words is "one hundred sixty-three million, one hundred forty-five thousand, twenty-nine".