163545029 has 2 divisors, whose sum is σ = 163545030. Its totient is φ = 163545028.

The previous prime is 163545001. The next prime is 163545047. The reversal of 163545029 is 920545361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163456225 + 88804 = 12785^2 + 298^2 .

It is a cyclic number.

It is not a de Polignac number, because 163545029 - 2¹⁶ = 163479493 is a prime.

It is a super-2 number, since 2×163545029² = 53493953021221682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163545029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163545079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81772514 + 81772515.

It is an arithmetic number, because the mean of its divisors is an integer number (81772515).

Almost surely, 2^163545029 is an apocalyptic number.

It is an amenable number.

163545029 is a deficient number, since it is larger than the sum of its proper divisors (1).

163545029 is an equidigital number, since it uses as much as digits as its factorization.

163545029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 163545029 is about 12788.4725045644. The cubic root of 163545029 is about 546.8637246067.

It can be divided in two parts, 1635 and 45029, that added together give a palindrome (46664).

The spelling of 163545029 in words is "one hundred sixty-three million, five hundred forty-five thousand, twenty-nine".