145605585 has 16 divisors (see below), whose sum is σ = 235033344. Its totient is φ = 76968192.

The previous prime is 145605557. The next prime is 145605599. The reversal of 145605585 is 585506541.

145605585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145605585 - 2⁸ = 145605329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41257 + ... + 44646.

It is an arithmetic number, because the mean of its divisors is an integer number (14689584).

Almost surely, 2^145605585 is an apocalyptic number.

145605585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145605585 is a deficient number, since it is larger than the sum of its proper divisors (89427759).

145605585 is a wasteful number, since it uses less digits than its factorization.

145605585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86024.

The product of its (nonzero) digits is 120000, while the sum is 39.

The square root of 145605585 is about 12066.7139271634. The cubic root of 145605585 is about 526.0891493515.

The spelling of 145605585 in words is "one hundred forty-five million, six hundred five thousand, five hundred eighty-five".