145701173 has 2 divisors, whose sum is σ = 145701174. Its totient is φ = 145701172.

The previous prime is 145701163. The next prime is 145701217. The reversal of 145701173 is 371107541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145395364 + 305809 = 12058^2 + 553^2 .

It is a cyclic number.

It is not a de Polignac number, because 145701173 - 2⁶ = 145701109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145701163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72850586 + 72850587.

It is an arithmetic number, because the mean of its divisors is an integer number (72850587).

Almost surely, 2^145701173 is an apocalyptic number.

It is an amenable number.

145701173 is a deficient number, since it is larger than the sum of its proper divisors (1).

145701173 is an equidigital number, since it uses as much as digits as its factorization.

145701173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 145701173 is about 12070.6740905386. The cubic root of 145701173 is about 526.2042475217.

The spelling of 145701173 in words is "one hundred forty-five million, seven hundred one thousand, one hundred seventy-three".