145605206 has 8 divisors (see below), whose sum is σ = 218847000. Its totient is φ = 72656208.

The previous prime is 145605199. The next prime is 145605217. The reversal of 145605206 is 602506541.

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

It is a congruent 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 in 3 ways as a sum of consecutive naturals, for example, 71951 + ... + 73946.

It is an arithmetic number, because the mean of its divisors is an integer number (27355875).

Almost surely, 2^145605206 is an apocalyptic number.

145605206 is a deficient number, since it is larger than the sum of its proper divisors (73241794).

145605206 is a wasteful number, since it uses less digits than its factorization.

145605206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146398.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 145605206 is about 12066.6982227948. The cubic root of 145605206 is about 526.0886928948.

The spelling of 145605206 in words is "one hundred forty-five million, six hundred five thousand, two hundred six".