145950577 has 2 divisors, whose sum is σ = 145950578. Its totient is φ = 145950576.

The previous prime is 145950551. The next prime is 145950587. The reversal of 145950577 is 775059541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145950561 + 16 = 12081^2 + 4^2 .

It is an emirp because it is prime and its reverse (775059541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145950577 - 2¹⁹ = 145426289 is a prime.

It is not a weakly prime, because it can be changed into another prime (145950547) 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, 72975288 + 72975289.

It is an arithmetic number, because the mean of its divisors is an integer number (72975289).

Almost surely, 2^145950577 is an apocalyptic number.

It is an amenable number.

145950577 is a deficient number, since it is larger than the sum of its proper divisors (1).

145950577 is an equidigital number, since it uses as much as digits as its factorization.

145950577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 220500, while the sum is 43.

The square root of 145950577 is about 12081.0006621968. Note that the first 3 decimals coincide. The cubic root of 145950577 is about 526.5043197648.

The spelling of 145950577 in words is "one hundred forty-five million, nine hundred fifty thousand, five hundred seventy-seven".