145180466 has 4 divisors (see below), whose sum is σ = 217770702. Its totient is φ = 72590232.

The previous prime is 145180423. The next prime is 145180481. The reversal of 145180466 is 664081541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 143161225 + 2019241 = 11965^2 + 1421^2 .

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 36295115 + ... + 36295118.

Almost surely, 2^145180466 is an apocalyptic number.

145180466 is a deficient number, since it is larger than the sum of its proper divisors (72590236).

145180466 is an equidigital number, since it uses as much as digits as its factorization.

145180466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72590235.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 145180466 is about 12049.0856914539. The cubic root of 145180466 is about 525.5766495321.

The spelling of 145180466 in words is "one hundred forty-five million, one hundred eighty thousand, four hundred sixty-six".