145205029 has 2 divisors, whose sum is σ = 145205030. Its totient is φ = 145205028.

The previous prime is 145204999. The next prime is 145205033. The reversal of 145205029 is 920502541.

145205029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86452804 + 58752225 = 9298^2 + 7665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145205029 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 145204988 and 145205006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145205129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72602514 + 72602515.

It is an arithmetic number, because the mean of its divisors is an integer number (72602515).

Almost surely, 2^145205029 is an apocalyptic number.

It is an amenable number.

145205029 is a deficient number, since it is larger than the sum of its proper divisors (1).

145205029 is an equidigital number, since it uses as much as digits as its factorization.

145205029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 145205029 is about 12050.1049373024. The cubic root of 145205029 is about 525.6062885316.

The spelling of 145205029 in words is "one hundred forty-five million, two hundred five thousand, twenty-nine".