145066177 has 2 divisors, whose sum is σ = 145066178. Its totient is φ = 145066176.

The previous prime is 145066157. The next prime is 145066223. The reversal of 145066177 is 771660541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136399041 + 8667136 = 11679^2 + 2944^2 .

It is a cyclic number.

It is not a de Polignac number, because 145066177 - 2¹⁹ = 144541889 is a prime.

It is not a weakly prime, because it can be changed into another prime (145066147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72533088 + 72533089.

It is an arithmetic number, because the mean of its divisors is an integer number (72533089).

Almost surely, 2^145066177 is an apocalyptic number.

It is an amenable number.

145066177 is a deficient number, since it is larger than the sum of its proper divisors (1).

145066177 is an equidigital number, since it uses as much as digits as its factorization.

145066177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 145066177 is about 12044.3421156990. The cubic root of 145066177 is about 525.4386984693.

The spelling of 145066177 in words is "one hundred forty-five million, sixty-six thousand, one hundred seventy-seven".