145180111 has 2 divisors, whose sum is σ = 145180112. Its totient is φ = 145180110.

The previous prime is 145180097. The next prime is 145180129. The reversal of 145180111 is 111081541.

It is a weak prime.

It is an emirp because it is prime and its reverse (111081541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145180111 - 2⁹ = 145179599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145180151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72590055 + 72590056.

It is an arithmetic number, because the mean of its divisors is an integer number (72590056).

Almost surely, 2^145180111 is an apocalyptic number.

145180111 is a deficient number, since it is larger than the sum of its proper divisors (1).

145180111 is an equidigital number, since it uses as much as digits as its factorization.

145180111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 22.

The square root of 145180111 is about 12049.0709600367. The cubic root of 145180111 is about 525.5762211461.

The spelling of 145180111 in words is "one hundred forty-five million, one hundred eighty thousand, one hundred eleven".