145050332309 has 2 divisors, whose sum is σ = 145050332310. Its totient is φ = 145050332308.

The previous prime is 145050332281. The next prime is 145050332353. The reversal of 145050332309 is 903233050541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85792167409 + 59258164900 = 292903^2 + 243430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145050332309 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145050332389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72525166154 + 72525166155.

It is an arithmetic number, because the mean of its divisors is an integer number (72525166155).

Almost surely, 2^145050332309 is an apocalyptic number.

It is an amenable number.

145050332309 is a deficient number, since it is larger than the sum of its proper divisors (1).

145050332309 is an equidigital number, since it uses as much as digits as its factorization.

145050332309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 35.

The spelling of 145050332309 in words is "one hundred forty-five billion, fifty million, three hundred thirty-two thousand, three hundred nine".