145066237 has 2 divisors, whose sum is σ = 145066238. Its totient is φ = 145066236.

The previous prime is 145066231. The next prime is 145066289. The reversal of 145066237 is 732660541.

It is a happy number.

145066237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103347556 + 41718681 = 10166^2 + 6459^2 .

It is a cyclic number.

It is not a de Polignac number, because 145066237 - 2¹¹ = 145064189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145066231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72533118 + 72533119.

It is an arithmetic number, because the mean of its divisors is an integer number (72533119).

Almost surely, 2^145066237 is an apocalyptic number.

It is an amenable number.

145066237 is a deficient number, since it is larger than the sum of its proper divisors (1).

145066237 is an equidigital number, since it uses as much as digits as its factorization.

145066237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 145066237 is about 12044.3446064948. The cubic root of 145066237 is about 525.4387709106.

The spelling of 145066237 in words is "one hundred forty-five million, sixty-six thousand, two hundred thirty-seven".