145305163 has 2 divisors, whose sum is σ = 145305164. Its totient is φ = 145305162.

The previous prime is 145305151. The next prime is 145305211. The reversal of 145305163 is 361503541.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145305163 is a prime.

It is a super-2 number, since 2×145305163² = 42227180788913138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145306163) 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 as a sum of consecutive naturals, namely, 72652581 + 72652582.

It is an arithmetic number, because the mean of its divisors is an integer number (72652582).

Almost surely, 2^145305163 is an apocalyptic number.

145305163 is a deficient number, since it is larger than the sum of its proper divisors (1).

145305163 is an equidigital number, since it uses as much as digits as its factorization.

145305163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 145305163 is about 12054.2591228163. The cubic root of 145305163 is about 525.7270808735.

The spelling of 145305163 in words is "one hundred forty-five million, three hundred five thousand, one hundred sixty-three".