145532266 has 48 divisors (see below), whose sum is σ = 252088200. Its totient is φ = 62881280.

The previous prime is 145532251. The next prime is 145532269. The reversal of 145532266 is 662235541.

It can be written as a sum of positive squares in 4 ways, for example, as 84364225 + 61168041 = 9185^2 + 7821^2 .

It is not an unprimeable number, because it can be changed into a prime (145532269) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 624486 + ... + 624718.

Almost surely, 2^145532266 is an apocalyptic number.

145532266 is a deficient number, since it is larger than the sum of its proper divisors (106555934).

145532266 is a wasteful number, since it uses less digits than its factorization.

145532266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 364 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 145532266 is about 12063.6754764044. The cubic root of 145532266 is about 526.0008312959. Note that the first 3 decimals are identical.

The spelling of 145532266 in words is "one hundred forty-five million, five hundred thirty-two thousand, two hundred sixty-six".