145660111 has 2 divisors, whose sum is σ = 145660112. Its totient is φ = 145660110.

The previous prime is 145660093. The next prime is 145660129. The reversal of 145660111 is 111066541.

It is a balanced prime because it is at equal distance from previous prime (145660093) and next prime (145660129).

It is a cyclic number.

It is not a de Polignac number, because 145660111 - 2¹⁷ = 145529039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145660171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72830055 + 72830056.

It is an arithmetic number, because the mean of its divisors is an integer number (72830056).

Almost surely, 2^145660111 is an apocalyptic number.

145660111 is a deficient number, since it is larger than the sum of its proper divisors (1).

145660111 is an equidigital number, since it uses as much as digits as its factorization.

145660111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 145660111 is about 12068.9730714755. The cubic root of 145660111 is about 526.1548106539.

The spelling of 145660111 in words is "one hundred forty-five million, six hundred sixty thousand, one hundred eleven".