145165233211 has 2 divisors, whose sum is σ = 145165233212. Its totient is φ = 145165233210.

The previous prime is 145165233193. The next prime is 145165233221. The reversal of 145165233211 is 112332561541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145165233211 is a prime.

It is not a weakly prime, because it can be changed into another prime (145165233221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72582616605 + 72582616606.

It is an arithmetic number, because the mean of its divisors is an integer number (72582616606).

Almost surely, 2^145165233211 is an apocalyptic number.

145165233211 is a deficient number, since it is larger than the sum of its proper divisors (1).

145165233211 is an equidigital number, since it uses as much as digits as its factorization.

145165233211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

Adding to 145165233211 its reverse (112332561541), we get a palindrome (257497794752).

The spelling of 145165233211 in words is "one hundred forty-five billion, one hundred sixty-five million, two hundred thirty-three thousand, two hundred eleven".