145605579 has 16 divisors (see below), whose sum is σ = 223914240. Its totient is φ = 82438560.

The previous prime is 145605557. The next prime is 145605599. The reversal of 145605579 is 975506541.

It is not a de Polignac number, because 145605579 - 2⁹ = 145605067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145605579.

It is not an unprimeable number, because it can be changed into a prime (145605599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29517 + ... + 34094.

It is an arithmetic number, because the mean of its divisors is an integer number (13994640).

Almost surely, 2^145605579 is an apocalyptic number.

145605579 is a deficient number, since it is larger than the sum of its proper divisors (78308661).

145605579 is a wasteful number, since it uses less digits than its factorization.

145605579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63730.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 145605579 is about 12066.7136785456. The cubic root of 145605579 is about 526.0891421253.

The spelling of 145605579 in words is "one hundred forty-five million, six hundred five thousand, five hundred seventy-nine".