145206577 has 2 divisors, whose sum is σ = 145206578. Its totient is φ = 145206576.

The previous prime is 145206559. The next prime is 145206617. The reversal of 145206577 is 775602541.

145206577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122965921 + 22240656 = 11089^2 + 4716^2 .

It is a cyclic number.

It is not a de Polignac number, because 145206577 - 2¹⁹ = 144682289 is a prime.

It is not a weakly prime, because it can be changed into another prime (145206517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72603288 + 72603289.

It is an arithmetic number, because the mean of its divisors is an integer number (72603289).

Almost surely, 2^145206577 is an apocalyptic number.

It is an amenable number.

145206577 is a deficient number, since it is larger than the sum of its proper divisors (1).

145206577 is an equidigital number, since it uses as much as digits as its factorization.

145206577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 145206577 is about 12050.1691689370. The cubic root of 145206577 is about 525.6081563173.

The spelling of 145206577 in words is "one hundred forty-five million, two hundred six thousand, five hundred seventy-seven".