145604064289 has 2 divisors, whose sum is σ = 145604064290. Its totient is φ = 145604064288.

The previous prime is 145604064241. The next prime is 145604064301. The reversal of 145604064289 is 982460406541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101447346064 + 44156718225 = 318508^2 + 210135^2 .

It is a cyclic number.

It is not a de Polignac number, because 145604064289 - 2⁹ = 145604063777 is a prime.

It is not a weakly prime, because it can be changed into another prime (145604064589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72802032144 + 72802032145.

It is an arithmetic number, because the mean of its divisors is an integer number (72802032145).

Almost surely, 2^145604064289 is an apocalyptic number.

It is an amenable number.

145604064289 is a deficient number, since it is larger than the sum of its proper divisors (1).

145604064289 is an equidigital number, since it uses as much as digits as its factorization.

145604064289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 145604064289 in words is "one hundred forty-five billion, six hundred four million, sixty-four thousand, two hundred eighty-nine".