145410689 has 2 divisors, whose sum is σ = 145410690. Its totient is φ = 145410688.

The previous prime is 145410659. The next prime is 145410701. The reversal of 145410689 is 986014541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97911025 + 47499664 = 9895^2 + 6892^2 .

It is a cyclic number.

It is not a de Polignac number, because 145410689 - 2¹⁶ = 145345153 is a prime.

It is a super-2 number, since 2×145410689² = 42288536950909442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (145410659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72705344 + 72705345.

It is an arithmetic number, because the mean of its divisors is an integer number (72705345).

Almost surely, 2^145410689 is an apocalyptic number.

It is an amenable number.

145410689 is a deficient number, since it is larger than the sum of its proper divisors (1).

145410689 is an equidigital number, since it uses as much as digits as its factorization.

145410689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 145410689 is about 12058.6354534831. The cubic root of 145410689 is about 525.8543175804.

The spelling of 145410689 in words is "one hundred forty-five million, four hundred ten thousand, six hundred eighty-nine".