145471966 has 8 divisors (see below), whose sum is σ = 218408040. Its totient is φ = 72669288.

The previous prime is 145471951. The next prime is 145471969. The reversal of 145471966 is 669174541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145471969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30576 + ... + 35011.

It is an arithmetic number, because the mean of its divisors is an integer number (27301005).

Almost surely, 2^145471966 is an apocalyptic number.

145471966 is a deficient number, since it is larger than the sum of its proper divisors (72936074).

145471966 is a wasteful number, since it uses less digits than its factorization.

145471966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66698.

The product of its digits is 181440, while the sum is 43.

The square root of 145471966 is about 12061.1759791490. The cubic root of 145471966 is about 525.9281733380.

The spelling of 145471966 in words is "one hundred forty-five million, four hundred seventy-one thousand, nine hundred sixty-six".