145505606 has 8 divisors (see below), whose sum is σ = 218316000. Its totient is φ = 72733608.

The previous prime is 145505543. The next prime is 145505609. The reversal of 145505606 is 606505541.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145505609) 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 3 ways as a sum of consecutive naturals, for example, 3395 + ... + 17393.

It is an arithmetic number, because the mean of its divisors is an integer number (27289500).

Almost surely, 2^145505606 is an apocalyptic number.

145505606 is a deficient number, since it is larger than the sum of its proper divisors (72810394).

145505606 is a wasteful number, since it uses less digits than its factorization.

145505606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19198.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 145505606 is about 12062.5704557528. The cubic root of 145505606 is about 525.9687100376.

The spelling of 145505606 in words is "one hundred forty-five million, five hundred five thousand, six hundred six".