145133266 has 12 divisors (see below), whose sum is σ = 227578302. Its totient is φ = 69411056.

The previous prime is 145133257. The next prime is 145133309. The reversal of 145133266 is 662331541.

It can be written as a sum of positive squares in only one way, i.e., 118352641 + 26780625 = 10879^2 + 5175^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67531 + ... + 69646.

Almost surely, 2^145133266 is an apocalyptic number.

145133266 is a deficient number, since it is larger than the sum of its proper divisors (82445036).

145133266 is a wasteful number, since it uses less digits than its factorization.

145133266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137225 (or 137202 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 145133266 is about 12047.1268773928. The cubic root of 145133266 is about 525.5196861600.

The spelling of 145133266 in words is "one hundred forty-five million, one hundred thirty-three thousand, two hundred sixty-six".